diff --git a/package-lock.json b/package-lock.json
index 290769da8389c15043cc505f0a3302522cb1d2cc..93e67ae6831c1093fb44e9891609158ef4789079 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -459,6 +459,14 @@
         "multer": "1.4.1"
       }
     },
+    "@nestjs/platform-socket.io": {
+      "version": "6.3.1",
+      "resolved": "https://registry.npmjs.org/@nestjs/platform-socket.io/-/platform-socket.io-6.3.1.tgz",
+      "integrity": "sha512-EBV6Fw1YdXI38c9esDq/pRnx/+Bw0Iq9QfTti4VARKpfJD4GU/3/Hj7ymeDuXcr9xj8j3trEQ+THBcIWh2QJ9A==",
+      "requires": {
+        "socket.io": "2.2.0"
+      }
+    },
     "@nestjs/testing": {
       "version": "6.2.4",
       "resolved": "https://registry.npmjs.org/@nestjs/testing/-/testing-6.2.4.tgz",
@@ -476,6 +484,14 @@
         "uuid": "3.3.2"
       }
     },
+    "@nestjs/websockets": {
+      "version": "6.3.1",
+      "resolved": "https://registry.npmjs.org/@nestjs/websockets/-/websockets-6.3.1.tgz",
+      "integrity": "sha512-kkzDn2oULL7RpBUZ9Fh755rebXe9pqp67Pn84/1OMErLpk3XMSMXcfABomFNHKY2pbevxOk4ojpnm5WZdw3S9w==",
+      "requires": {
+        "iterare": "1.1.2"
+      }
+    },
     "@nuxtjs/opencollective": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/@nuxtjs/opencollective/-/opencollective-0.2.1.tgz",
@@ -652,6 +668,15 @@
         "@types/mime": "*"
       }
     },
+    "@types/socket.io": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/@types/socket.io/-/socket.io-2.1.2.tgz",
+      "integrity": "sha512-Ind+4qMNfQ62llyB4IMs1D8znMEBsMKohZBPqfBUIXqLQ9bdtWIbNTBWwtdcBWJKnokMZGcmWOOKslatni5vtA==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/stack-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/@types/stack-utils/-/stack-utils-1.0.1.tgz",
@@ -734,6 +759,11 @@
       "integrity": "sha512-OtUw6JUTgxA2QoqqmrmQ7F2NYqiBPi/L2jqHyFtllhOUvXYQXf0Z1CYUinIfyT4bTCGmrA7gX9FvHA81uzCoVw==",
       "dev": true
     },
+    "after": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
+      "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8="
+    },
     "ajv": {
       "version": "6.10.0",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
@@ -1139,6 +1169,11 @@
       "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
       "dev": true
     },
+    "arraybuffer.slice": {
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz",
+      "integrity": "sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog=="
+    },
     "asn1": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
@@ -1175,8 +1210,7 @@
     "async-limiter": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
-      "dev": true
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
     },
     "asynckit": {
       "version": "0.4.0",
@@ -1256,6 +1290,11 @@
         "babel-plugin-jest-hoist": "^24.6.0"
       }
     },
+    "backo2": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/backo2/-/backo2-1.0.2.tgz",
+      "integrity": "sha1-MasayLEpNjRj41s+u2n038+6eUc="
+    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -1328,11 +1367,21 @@
         }
       }
     },
+    "base64-arraybuffer": {
+      "version": "0.1.5",
+      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz",
+      "integrity": "sha1-c5JncZI7Whl0etZmqlzUv5xunOg="
+    },
     "base64-js": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
       "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw=="
     },
+    "base64id": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
+      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY="
+    },
     "bcrypt-pbkdf": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
@@ -1347,12 +1396,25 @@
       "resolved": "https://registry.npmjs.org/bcryptjs/-/bcryptjs-2.4.3.tgz",
       "integrity": "sha1-mrVie5PmBiH/fNrF2pczAn3x0Ms="
     },
+    "better-assert": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/better-assert/-/better-assert-1.0.2.tgz",
+      "integrity": "sha1-QIZrnhueC1W0gYlDEeaPr/rrxSI=",
+      "requires": {
+        "callsite": "1.0.0"
+      }
+    },
     "binary-extensions": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.13.1.tgz",
       "integrity": "sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==",
       "dev": true
     },
+    "blob": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz",
+      "integrity": "sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig=="
+    },
     "bluebird": {
       "version": "3.5.5",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.5.tgz",
@@ -1561,6 +1623,11 @@
         }
       }
     },
+    "callsite": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/callsite/-/callsite-1.0.0.tgz",
+      "integrity": "sha1-KAOY5dZkvXQDi28JBRU+borxvCA="
+    },
     "callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -1623,102 +1690,6 @@
         "upath": "^1.1.1"
       },
       "dependencies": {
-        "array-unique": {
-          "version": "0.3.2",
-          "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
-          "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
-          "dev": true
-        },
-        "braces": {
-          "version": "2.3.2",
-          "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
-          "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
-          "dev": true,
-          "requires": {
-            "arr-flatten": "^1.1.0",
-            "array-unique": "^0.3.2",
-            "extend-shallow": "^2.0.1",
-            "fill-range": "^4.0.0",
-            "isobject": "^3.0.1",
-            "repeat-element": "^1.1.2",
-            "snapdragon": "^0.8.1",
-            "snapdragon-node": "^2.0.1",
-            "split-string": "^3.0.2",
-            "to-regex": "^3.0.1"
-          }
-        },
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "dev": true,
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        },
-        "fill-range": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
-          "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
-          "dev": true,
-          "requires": {
-            "extend-shallow": "^2.0.1",
-            "is-number": "^3.0.0",
-            "repeat-string": "^1.6.1",
-            "to-regex-range": "^2.1.0"
-          }
-        },
-        "glob-parent": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-3.1.0.tgz",
-          "integrity": "sha1-nmr2KZ2NO9K9QEMIMr0RPfkGxa4=",
-          "dev": true,
-          "requires": {
-            "is-glob": "^3.1.0",
-            "path-dirname": "^1.0.0"
-          },
-          "dependencies": {
-            "is-glob": {
-              "version": "3.1.0",
-              "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-3.1.0.tgz",
-              "integrity": "sha1-e6WuJCF4BKxwcHuWkiVnSGzD6Eo=",
-              "dev": true,
-              "requires": {
-                "is-extglob": "^2.1.0"
-              }
-            }
-          }
-        },
-        "is-extglob": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
-          "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
-          "dev": true
-        },
-        "is-glob": {
-          "version": "4.0.1",
-          "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.1.tgz",
-          "integrity": "sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==",
-          "dev": true,
-          "requires": {
-            "is-extglob": "^2.1.1"
-          }
-        },
-        "is-number": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
-          "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
-          "dev": true,
-          "requires": {
-            "kind-of": "^3.0.2"
-          }
-        },
-        "isobject": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
-          "dev": true
-        },
         "normalize-path": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
@@ -1959,12 +1930,22 @@
       "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
       "dev": true
     },
+    "component-bind": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/component-bind/-/component-bind-1.0.0.tgz",
+      "integrity": "sha1-AMYIq33Nk4l8AAllGx06jh5zu9E="
+    },
     "component-emitter": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
       "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==",
       "dev": true
     },
+    "component-inherit": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/component-inherit/-/component-inherit-0.0.3.tgz",
+      "integrity": "sha1-ZF/ErfWLcrZJ1crmUTVhnbJv8UM="
+    },
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -2386,6 +2367,11 @@
       "resolved": "https://registry.npmjs.org/dottie/-/dottie-2.0.1.tgz",
       "integrity": "sha512-ch5OQgvGDK2u8pSZeSYAQaV/lczImd7pMJ7BcEPXmnFVjy4yJIzP6CsODJUTH8mg1tyH1Z2abOiuJO3DjZ/GBw=="
     },
+    "double-ended-queue": {
+      "version": "2.1.0-0",
+      "resolved": "https://registry.npmjs.org/double-ended-queue/-/double-ended-queue-2.1.0-0.tgz",
+      "integrity": "sha1-ED01J/0xUo9AGIEwyEHv3XgmTlw="
+    },
     "duplexer3": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/duplexer3/-/duplexer3-0.1.4.tgz",
@@ -2433,6 +2419,105 @@
         "once": "^1.4.0"
       }
     },
+    "engine.io": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.3.2.tgz",
+      "integrity": "sha512-AsaA9KG7cWPXWHp5FvHdDWY3AMWeZ8x+2pUVLcn71qE5AtAzgGbxuclOytygskw8XGmiQafTmnI9Bix3uihu2w==",
+      "requires": {
+        "accepts": "~1.3.4",
+        "base64id": "1.0.0",
+        "cookie": "0.3.1",
+        "debug": "~3.1.0",
+        "engine.io-parser": "~2.1.0",
+        "ws": "~6.1.0"
+      },
+      "dependencies": {
+        "cookie": {
+          "version": "0.3.1",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
+          "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
+        },
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        },
+        "ws": {
+          "version": "6.1.4",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.4.tgz",
+          "integrity": "sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==",
+          "requires": {
+            "async-limiter": "~1.0.0"
+          }
+        }
+      }
+    },
+    "engine.io-client": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.3.2.tgz",
+      "integrity": "sha512-y0CPINnhMvPuwtqXfsGuWE8BB66+B6wTtCofQDRecMQPYX3MYUZXFNKDhdrSe3EVjgOu4V3rxdeqN/Tr91IgbQ==",
+      "requires": {
+        "component-emitter": "1.2.1",
+        "component-inherit": "0.0.3",
+        "debug": "~3.1.0",
+        "engine.io-parser": "~2.1.1",
+        "has-cors": "1.1.0",
+        "indexof": "0.0.1",
+        "parseqs": "0.0.5",
+        "parseuri": "0.0.5",
+        "ws": "~6.1.0",
+        "xmlhttprequest-ssl": "~1.5.4",
+        "yeast": "0.1.2"
+      },
+      "dependencies": {
+        "component-emitter": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
+          "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
+        },
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        },
+        "ws": {
+          "version": "6.1.4",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.4.tgz",
+          "integrity": "sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==",
+          "requires": {
+            "async-limiter": "~1.0.0"
+          }
+        }
+      }
+    },
+    "engine.io-parser": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.1.3.tgz",
+      "integrity": "sha512-6HXPre2O4Houl7c4g7Ic/XzPnHBvaEmN90vtRO9uLmwtRqQmTOw0QMevL1TOfL2Cpu1VzsaTmMotQgMdkzGkVA==",
+      "requires": {
+        "after": "0.8.2",
+        "arraybuffer.slice": "~0.0.7",
+        "base64-arraybuffer": "0.1.5",
+        "blob": "0.0.5",
+        "has-binary2": "~1.0.2"
+      }
+    },
     "error-ex": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz",
@@ -3581,6 +3666,27 @@
         "path-is-absolute": "^1.0.0"
       }
     },
+    "glob-parent": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-3.1.0.tgz",
+      "integrity": "sha1-nmr2KZ2NO9K9QEMIMr0RPfkGxa4=",
+      "dev": true,
+      "requires": {
+        "is-glob": "^3.1.0",
+        "path-dirname": "^1.0.0"
+      },
+      "dependencies": {
+        "is-glob": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-3.1.0.tgz",
+          "integrity": "sha1-e6WuJCF4BKxwcHuWkiVnSGzD6Eo=",
+          "dev": true,
+          "requires": {
+            "is-extglob": "^2.1.0"
+          }
+        }
+      }
+    },
     "global-dirs": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/global-dirs/-/global-dirs-0.1.1.tgz",
@@ -3693,6 +3799,26 @@
         "ansi-regex": "^2.0.0"
       }
     },
+    "has-binary2": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/has-binary2/-/has-binary2-1.0.3.tgz",
+      "integrity": "sha512-G1LWKhDSvhGeAQ8mPVQlqNcOB2sJdwATtZKl2pDKKHfpf/rYj24lkinxf69blJbnsvtqqNU+L3SL50vzZhXOnw==",
+      "requires": {
+        "isarray": "2.0.1"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+        }
+      }
+    },
+    "has-cors": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/has-cors/-/has-cors-1.1.0.tgz",
+      "integrity": "sha1-XkdHk/fqmEPRu5nCPu9J/xJv/zk="
+    },
     "has-flag": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
@@ -3854,6 +3980,11 @@
       "integrity": "sha1-khi5srkoojixPcT7a21XbyMUU+o=",
       "dev": true
     },
+    "indexof": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/indexof/-/indexof-0.0.1.tgz",
+      "integrity": "sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10="
+    },
     "inflection": {
       "version": "1.12.0",
       "resolved": "https://registry.npmjs.org/inflection/-/inflection-1.12.0.tgz",
@@ -3987,6 +4118,12 @@
       "integrity": "sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik=",
       "dev": true
     },
+    "is-extglob": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
+      "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
+      "dev": true
+    },
     "is-fullwidth-code-point": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
@@ -3998,6 +4135,15 @@
       "integrity": "sha512-cTIB4yPYL/Grw0EaSzASzg6bBy9gqCofvWN8okThAYIxKJZC+udlRAmGbM0XLeniEJSs8uEgHPGuHSe1XsOLSQ==",
       "dev": true
     },
+    "is-glob": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.1.tgz",
+      "integrity": "sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==",
+      "dev": true,
+      "requires": {
+        "is-extglob": "^2.1.1"
+      }
+    },
     "is-installed-globally": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/is-installed-globally/-/is-installed-globally-0.1.0.tgz",
@@ -5456,6 +5602,11 @@
         "remove-trailing-separator": "^1.0.1"
       }
     },
+    "notepack.io": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/notepack.io/-/notepack.io-2.1.3.tgz",
+      "integrity": "sha512-AgSt+cP5XMooho1Ppn8NB3FFaVWefV+qZoZncYTUSch2GAEwlYLcIIbT5YVkMlFeNHnfwOvc4HDlbvrB5BRxXA=="
+    },
     "npm-run-path": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-2.0.2.tgz",
@@ -5487,6 +5638,11 @@
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
       "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
     },
+    "object-component": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/object-component/-/object-component-0.0.3.tgz",
+      "integrity": "sha1-8MaapQ78lbhmwYb0AKM3acsvEpE="
+    },
     "object-copy": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/object-copy/-/object-copy-0.1.0.tgz",
@@ -5715,6 +5871,22 @@
       "resolved": "https://registry.npmjs.org/parse5/-/parse5-4.0.0.tgz",
       "integrity": "sha512-VrZ7eOd3T1Fk4XWNXMgiGBK/z0MG48BWG2uQNU4I72fkQuKUTZpl+u9k+CxEG0twMVzSmXEEz12z5Fnw1jIQFA=="
     },
+    "parseqs": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/parseqs/-/parseqs-0.0.5.tgz",
+      "integrity": "sha1-1SCKNzjkZ2bikbouoXNoSSGouJ0=",
+      "requires": {
+        "better-assert": "~1.0.0"
+      }
+    },
+    "parseuri": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/parseuri/-/parseuri-0.0.5.tgz",
+      "integrity": "sha1-gCBKUNTbt3m/3G6+J3jZDkvOMgo=",
+      "requires": {
+        "better-assert": "~1.0.0"
+      }
+    },
     "parseurl": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
@@ -5977,9 +6149,9 @@
       "dev": true
     },
     "pstree.remy": {
-      "version": "1.1.6",
-      "resolved": "https://registry.npmjs.org/pstree.remy/-/pstree.remy-1.1.6.tgz",
-      "integrity": "sha512-NdF35+QsqD7EgNEI5mkI/X+UwaxVEbQaz9f4IooEmMUv6ZPmlTQYGjBPJGgrlzNdjSvIy4MWMg6Q6vCgBO2K+w==",
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/pstree.remy/-/pstree.remy-1.1.7.tgz",
+      "integrity": "sha512-xsMgrUwRpuGskEzBFkH8NmTimbZ5PcPup0LA8JJkHIm2IMUbQcpo3yeLNWVrufEYjh8YwtSVh0xz6UeWc5Oh5A==",
       "dev": true
     },
     "pump": {
@@ -6100,314 +6272,25 @@
         "readable-stream": "^2.0.2"
       },
       "dependencies": {
-        "arr-diff": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
-          "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=",
-          "dev": true
-        },
-        "array-unique": {
-          "version": "0.3.2",
-          "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
-          "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
           "dev": true
         },
-        "braces": {
-          "version": "2.3.2",
-          "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
-          "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
+        "readable-stream": {
+          "version": "2.3.6",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+          "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
           "dev": true,
           "requires": {
-            "arr-flatten": "^1.1.0",
-            "array-unique": "^0.3.2",
-            "extend-shallow": "^2.0.1",
-            "fill-range": "^4.0.0",
-            "isobject": "^3.0.1",
-            "repeat-element": "^1.1.2",
-            "snapdragon": "^0.8.1",
-            "snapdragon-node": "^2.0.1",
-            "split-string": "^3.0.2",
-            "to-regex": "^3.0.1"
-          },
-          "dependencies": {
-            "extend-shallow": {
-              "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-              "dev": true,
-              "requires": {
-                "is-extendable": "^0.1.0"
-              }
-            }
-          }
-        },
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "expand-brackets": {
-          "version": "2.1.4",
-          "resolved": "https://registry.npmjs.org/expand-brackets/-/expand-brackets-2.1.4.tgz",
-          "integrity": "sha1-t3c14xXOMPa27/D4OwQVGiJEliI=",
-          "dev": true,
-          "requires": {
-            "debug": "^2.3.3",
-            "define-property": "^0.2.5",
-            "extend-shallow": "^2.0.1",
-            "posix-character-classes": "^0.1.0",
-            "regex-not": "^1.0.0",
-            "snapdragon": "^0.8.1",
-            "to-regex": "^3.0.1"
-          },
-          "dependencies": {
-            "define-property": {
-              "version": "0.2.5",
-              "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
-              "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
-              "dev": true,
-              "requires": {
-                "is-descriptor": "^0.1.0"
-              }
-            },
-            "extend-shallow": {
-              "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-              "dev": true,
-              "requires": {
-                "is-extendable": "^0.1.0"
-              }
-            },
-            "is-accessor-descriptor": {
-              "version": "0.1.6",
-              "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
-              "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
-              "dev": true,
-              "requires": {
-                "kind-of": "^3.0.2"
-              },
-              "dependencies": {
-                "kind-of": {
-                  "version": "3.2.2",
-                  "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-                  "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-                  "dev": true,
-                  "requires": {
-                    "is-buffer": "^1.1.5"
-                  }
-                }
-              }
-            },
-            "is-data-descriptor": {
-              "version": "0.1.4",
-              "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
-              "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
-              "dev": true,
-              "requires": {
-                "kind-of": "^3.0.2"
-              },
-              "dependencies": {
-                "kind-of": {
-                  "version": "3.2.2",
-                  "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-                  "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-                  "dev": true,
-                  "requires": {
-                    "is-buffer": "^1.1.5"
-                  }
-                }
-              }
-            },
-            "is-descriptor": {
-              "version": "0.1.6",
-              "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-0.1.6.tgz",
-              "integrity": "sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==",
-              "dev": true,
-              "requires": {
-                "is-accessor-descriptor": "^0.1.6",
-                "is-data-descriptor": "^0.1.4",
-                "kind-of": "^5.0.0"
-              }
-            },
-            "kind-of": {
-              "version": "5.1.0",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-5.1.0.tgz",
-              "integrity": "sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==",
-              "dev": true
-            }
-          }
-        },
-        "extglob": {
-          "version": "2.0.4",
-          "resolved": "https://registry.npmjs.org/extglob/-/extglob-2.0.4.tgz",
-          "integrity": "sha512-Nmb6QXkELsuBr24CJSkilo6UHHgbekK5UiZgfE6UHD3Eb27YC6oD+bhcT+tJ6cl8dmsgdQxnWlcry8ksBIBLpw==",
-          "dev": true,
-          "requires": {
-            "array-unique": "^0.3.2",
-            "define-property": "^1.0.0",
-            "expand-brackets": "^2.1.4",
-            "extend-shallow": "^2.0.1",
-            "fragment-cache": "^0.2.1",
-            "regex-not": "^1.0.0",
-            "snapdragon": "^0.8.1",
-            "to-regex": "^3.0.1"
-          },
-          "dependencies": {
-            "define-property": {
-              "version": "1.0.0",
-              "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
-              "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
-              "dev": true,
-              "requires": {
-                "is-descriptor": "^1.0.0"
-              }
-            },
-            "extend-shallow": {
-              "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-              "dev": true,
-              "requires": {
-                "is-extendable": "^0.1.0"
-              }
-            }
-          }
-        },
-        "fill-range": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
-          "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
-          "dev": true,
-          "requires": {
-            "extend-shallow": "^2.0.1",
-            "is-number": "^3.0.0",
-            "repeat-string": "^1.6.1",
-            "to-regex-range": "^2.1.0"
-          },
-          "dependencies": {
-            "extend-shallow": {
-              "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-              "dev": true,
-              "requires": {
-                "is-extendable": "^0.1.0"
-              }
-            }
-          }
-        },
-        "is-accessor-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
-          "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
-          "dev": true,
-          "requires": {
-            "kind-of": "^6.0.0"
-          }
-        },
-        "is-data-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
-          "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
-          "dev": true,
-          "requires": {
-            "kind-of": "^6.0.0"
-          }
-        },
-        "is-descriptor": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
-          "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
-          "dev": true,
-          "requires": {
-            "is-accessor-descriptor": "^1.0.0",
-            "is-data-descriptor": "^1.0.0",
-            "kind-of": "^6.0.2"
-          }
-        },
-        "is-number": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
-          "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
-          "dev": true,
-          "requires": {
-            "kind-of": "^3.0.2"
-          },
-          "dependencies": {
-            "kind-of": {
-              "version": "3.2.2",
-              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "dev": true,
-              "requires": {
-                "is-buffer": "^1.1.5"
-              }
-            }
-          }
-        },
-        "isarray": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
-          "dev": true
-        },
-        "isobject": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
-          "dev": true
-        },
-        "kind-of": {
-          "version": "6.0.2",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
-          "dev": true
-        },
-        "micromatch": {
-          "version": "3.1.10",
-          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
-          "integrity": "sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==",
-          "dev": true,
-          "requires": {
-            "arr-diff": "^4.0.0",
-            "array-unique": "^0.3.2",
-            "braces": "^2.3.1",
-            "define-property": "^2.0.2",
-            "extend-shallow": "^3.0.2",
-            "extglob": "^2.0.4",
-            "fragment-cache": "^0.2.1",
-            "kind-of": "^6.0.2",
-            "nanomatch": "^1.2.9",
-            "object.pick": "^1.3.0",
-            "regex-not": "^1.0.0",
-            "snapdragon": "^0.8.1",
-            "to-regex": "^3.0.2"
-          }
-        },
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "2.3.6",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
-          "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
-          "dev": true,
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.3",
-            "isarray": "~1.0.0",
-            "process-nextick-args": "~2.0.0",
-            "safe-buffer": "~5.1.1",
-            "string_decoder": "~1.1.1",
-            "util-deprecate": "~1.0.1"
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
           }
         },
         "string_decoder": {
@@ -6430,6 +6313,26 @@
         "util.promisify": "^1.0.0"
       }
     },
+    "redis": {
+      "version": "2.8.0",
+      "resolved": "https://registry.npmjs.org/redis/-/redis-2.8.0.tgz",
+      "integrity": "sha512-M1OkonEQwtRmZv4tEWF2VgpG0JWJ8Fv1PhlgT5+B+uNq2cA3Rt1Yt/ryoR+vQNOQcIEgdCdfH0jr3bDpihAw1A==",
+      "requires": {
+        "double-ended-queue": "^2.1.0-0",
+        "redis-commands": "^1.2.0",
+        "redis-parser": "^2.6.0"
+      }
+    },
+    "redis-commands": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/redis-commands/-/redis-commands-1.5.0.tgz",
+      "integrity": "sha512-6KxamqpZ468MeQC3bkWmCB1fp56XL64D4Kf0zJSwDZbVLLm7KFkoIcHrgRvQ+sk8dnhySs7+yBg94yIkAK7aJg=="
+    },
+    "redis-parser": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/redis-parser/-/redis-parser-2.6.0.tgz",
+      "integrity": "sha1-Uu0J2srBCPGmMcB+m2mUHnoZUEs="
+    },
     "reflect-metadata": {
       "version": "0.1.13",
       "resolved": "https://registry.npmjs.org/reflect-metadata/-/reflect-metadata-0.1.13.tgz",
@@ -6990,6 +6893,137 @@
         "kind-of": "^3.2.0"
       }
     },
+    "socket.io": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.2.0.tgz",
+      "integrity": "sha512-wxXrIuZ8AILcn+f1B4ez4hJTPG24iNgxBBDaJfT6MsyOhVYiTXWexGoPkd87ktJG8kQEcL/NBvRi64+9k4Kc0w==",
+      "requires": {
+        "debug": "~4.1.0",
+        "engine.io": "~3.3.1",
+        "has-binary2": "~1.0.2",
+        "socket.io-adapter": "~1.1.0",
+        "socket.io-client": "2.2.0",
+        "socket.io-parser": "~3.3.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        }
+      }
+    },
+    "socket.io-adapter": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-1.1.1.tgz",
+      "integrity": "sha1-KoBeihTWNyEk3ZFZrUUC+MsH8Gs="
+    },
+    "socket.io-client": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.2.0.tgz",
+      "integrity": "sha512-56ZrkTDbdTLmBIyfFYesgOxsjcLnwAKoN4CiPyTVkMQj3zTUh0QAx3GbvIvLpFEOvQWu92yyWICxB0u7wkVbYA==",
+      "requires": {
+        "backo2": "1.0.2",
+        "base64-arraybuffer": "0.1.5",
+        "component-bind": "1.0.0",
+        "component-emitter": "1.2.1",
+        "debug": "~3.1.0",
+        "engine.io-client": "~3.3.1",
+        "has-binary2": "~1.0.2",
+        "has-cors": "1.1.0",
+        "indexof": "0.0.1",
+        "object-component": "0.0.3",
+        "parseqs": "0.0.5",
+        "parseuri": "0.0.5",
+        "socket.io-parser": "~3.3.0",
+        "to-array": "0.1.4"
+      },
+      "dependencies": {
+        "component-emitter": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
+          "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
+        },
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        }
+      }
+    },
+    "socket.io-parser": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.0.tgz",
+      "integrity": "sha512-hczmV6bDgdaEbVqhAeVMM/jfUfzuEZHsQg6eOmLgJht6G3mPKMxYm75w2+qhAQZ+4X+1+ATZ+QFKeOZD5riHng==",
+      "requires": {
+        "component-emitter": "1.2.1",
+        "debug": "~3.1.0",
+        "isarray": "2.0.1"
+      },
+      "dependencies": {
+        "component-emitter": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
+          "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
+        },
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "isarray": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        }
+      }
+    },
+    "socket.io-redis": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/socket.io-redis/-/socket.io-redis-5.2.0.tgz",
+      "integrity": "sha1-j+KtlEX8UIhvtwq8dZ1nQD1Ymd8=",
+      "requires": {
+        "debug": "~2.6.8",
+        "notepack.io": "~2.1.2",
+        "redis": "~2.8.0",
+        "socket.io-adapter": "~1.1.0",
+        "uid2": "0.0.3"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        }
+      }
+    },
     "source-map": {
       "version": "0.5.7",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
@@ -7397,6 +7431,11 @@
       "integrity": "sha1-I2QN17QtAEM5ERQIIOXPRA5SHdE=",
       "dev": true
     },
+    "to-array": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.4.tgz",
+      "integrity": "sha1-F+bBH3PdTz10zaek/zI46a2b+JA="
+    },
     "to-fast-properties": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
@@ -7820,6 +7859,11 @@
         }
       }
     },
+    "uid2": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/uid2/-/uid2-0.0.3.tgz",
+      "integrity": "sha1-SDEm4Rd03y9xuLY53NeZw3YWK4I="
+    },
     "undefsafe": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.2.tgz",
@@ -8267,6 +8311,11 @@
       "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-9.0.7.tgz",
       "integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0="
     },
+    "xmlhttprequest-ssl": {
+      "version": "1.5.5",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
+      "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4="
+    },
     "xtend": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
@@ -8355,6 +8404,11 @@
         "decamelize": "^1.2.0"
       }
     },
+    "yeast": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
+      "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk="
+    },
     "yn": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.0.tgz",
diff --git a/package.json b/package.json
index fc732f8bfcd616f633392fb4939543c3226c964f..cecd109950851c302849f33d7e0487f56736a661 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,9 @@
     "@nestjs/common": "^6.0.0",
     "@nestjs/core": "^6.0.0",
     "@nestjs/platform-express": "^6.0.0",
+    "@nestjs/platform-socket.io": "^6.3.1",
     "@nestjs/typeorm": "^6.1.1",
+    "@nestjs/websockets": "^6.3.1",
     "bcryptjs": "^2.4.3",
     "class-transformer": "^0.2.3",
     "class-validator": "^0.9.1",
@@ -35,6 +37,7 @@
     "rimraf": "^2.6.2",
     "rxjs": "^6.3.3",
     "sequelize": "^5.8.7",
+    "socket.io-redis": "^5.2.0",
     "typeorm": "^0.2.17"
   },
   "devDependencies": {
@@ -44,10 +47,11 @@
     "@types/jest": "^23.3.13",
     "@types/jsonwebtoken": "^8.3.2",
     "@types/node": "^10.12.18",
+    "@types/socket.io": "^2.1.2",
     "@types/supertest": "^2.0.7",
     "concurrently": "^4.1.0",
     "jest": "^24.8.0",
-    "nodemon": "^1.18.9",
+    "nodemon": "^1.19.1",
     "prettier": "^1.15.3",
     "supertest": "^3.4.1",
     "ts-jest": "24.0.2",
diff --git a/src/app.module.ts b/src/app.module.ts
index 13fd35241dfd61b29a5dc065d6953da42d83cac9..71587003f36f6316a9d6b6b07d10bcf8d2c08c32 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -1,29 +1,33 @@
 import { Module } from '@nestjs/common';
 import { APP_FILTER, APP_INTERCEPTOR } from '@nestjs/core';
-import { TypeOrmModule } from "@nestjs/typeorm";
-import { Connection } from "typeorm";
-
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { AppController } from './app.controller';
 import { AppService } from './app.service';
+import { Connection } from 'typeorm';
 import { UserModule } from './user/user.module';
 import { HttpErrorFilter } from './shared/http-error.filter';
 import { LoggingInterceptor } from './shared/logging.interceptor';
 import { MapMarkerModule } from './mapmarkers/mapmarkers.module';
-import { GameModule } from './game/game.module';
-
-
+import { NotificationModule } from './notifications/notifications.module';
 
 @Module({
-  imports: [TypeOrmModule.forRoot(), UserModule, MapMarkerModule, GameModule],
-  controllers: [],
+  imports: [
+    TypeOrmModule.forRoot(),
+    UserModule,
+    MapMarkerModule,
+    NotificationModule,
+  ],
+  controllers: [AppController],
   providers: [
-    AppService, {
+    AppService,
+    {
       provide: APP_FILTER,
-      useClass: HttpErrorFilter
+      useClass: HttpErrorFilter,
     },
     {
       provide: APP_INTERCEPTOR,
       useClass: LoggingInterceptor,
-    }
+    },
   ],
 })
 export class AppModule {
diff --git a/src/mapmarkers/mapmarker.dto.ts b/src/mapmarkers/mapmarker.dto.ts
index eab9dc6c55d4a1aeada99bf82b37f1ce2cb10ca1..f9821f4cbc73b62582263ac63e29c07a75a46b44 100644
--- a/src/mapmarkers/mapmarker.dto.ts
+++ b/src/mapmarkers/mapmarker.dto.ts
@@ -1,5 +1,9 @@
-import { IsString, IsDateString } from 'class-validator';
-import { Timestamp } from 'typeorm';
+import { IsString, IsJSON } from 'class-validator';
+/*
+DTO: MapMarker
+- represents servers data handling.
+*/
+
 
 export class MapMarkerDTO {
     @IsString()
@@ -10,4 +14,6 @@ export class MapMarkerDTO {
     longitude: string;
     @IsString()
     timestamp: string;    
+    @IsJSON()
+    features: JSON;
 }
\ No newline at end of file
diff --git a/src/mapmarkers/mapmarker.entity.ts b/src/mapmarkers/mapmarker.entity.ts
index 39ff2b2663473acba2ca17d9b13ed8be3a845c41..bc6d33112149f23e52e493c374be19ca0f18e536 100644
--- a/src/mapmarkers/mapmarker.entity.ts
+++ b/src/mapmarkers/mapmarker.entity.ts
@@ -1,6 +1,11 @@
 import { Entity, Column, PrimaryGeneratedColumn, Timestamp, ManyToOne } from 'typeorm';
 
-import { PersonEntity } from 'src/user/user.entity'
+import { PersonEntity } from '../user/user.entity'
+
+/*
+Entity: MapMarker 
+- represents data that database contains on mapmarker
+*/
 
 @Entity('MapMarker')
 export class MapMarkerEntity {
@@ -8,6 +13,7 @@ export class MapMarkerEntity {
     @Column({type: 'text'}) latitude: string;
     @Column({type: 'text'}) longitude: string;
     @Column({type: 'timestamp'}) timestamp: Timestamp;
+    @Column({type: 'json', nullable: true}) features: JSON;
     @ManyToOne(type => PersonEntity, player => player.markers)
     player: PersonEntity;
 }
\ No newline at end of file
diff --git a/src/mapmarkers/mapmarker.service.ts b/src/mapmarkers/mapmarker.service.ts
index f185de435dd476bc0b6d4d106a1cc41b6bcb04e4..9e0167075f46f6d68a34afa0f5bc421e21699d7e 100644
--- a/src/mapmarkers/mapmarker.service.ts
+++ b/src/mapmarkers/mapmarker.service.ts
@@ -10,6 +10,7 @@ import { userInfo } from 'os';
 @Injectable()
 export class MapMarkerService {
     constructor(
+        //create references to tables as repositories
         @InjectRepository(MapMarkerEntity) private mapmarkerRepository: Repository<MapMarkerEntity>,
         @InjectRepository(PersonEntity) private personRepository: Repository<PersonEntity>
     ) { }
@@ -17,10 +18,16 @@ export class MapMarkerService {
     // insert markers
     async insertLocation(personId: string, data: MapMarkerDTO) {
         try {
-            data.timestamp = new Date(Date.now()).toLocaleString(); //get functions runtime as timestamp
+           
+            //get functions runtime as timestamp
+            data.timestamp = new Date(Date.now()).toLocaleString(); 
+            //check from database for the user who uploads the data
             const user = await this.personRepository.findOne({ where: { id: personId } })
+            //create&copy entity properties
             const location = await this.mapmarkerRepository.create({ ...data, player: user });
+            // insert created entity NOTE: insert method doesn't check for duplicates.
             await this.mapmarkerRepository.insert(location);
+            // return data and player id&name
             return { ...data, player: location.player.nameObject() };
         } catch (error) {
             return error;
@@ -30,7 +37,9 @@ export class MapMarkerService {
     // get all markers
     async getAllMarkers() {
         try {
+            // find all markers with specified player
             const markers = await this.mapmarkerRepository.find({ relations: ['player'] });
+            // return markers from database with said playerdata
             return markers.map(marker => { return { ...marker, player: marker.player.nameObject() } });
         } catch (error) {
             return error.message;
diff --git a/src/mapmarkers/mapmarkers.controller.ts b/src/mapmarkers/mapmarkers.controller.ts
index 7f986527d45e652ef462ee3674152db88dd138ed..09fa6761f12972a2bfb6ca9ec147ed7e8ab2c5be 100644
--- a/src/mapmarkers/mapmarkers.controller.ts
+++ b/src/mapmarkers/mapmarkers.controller.ts
@@ -3,12 +3,12 @@ import { Controller, Body, Get, Put, UseGuards } from '@nestjs/common';
 import { MapMarkerService } from './mapmarker.service';
 import { MapMarkerDTO } from './mapmarker.dto';
 import { AuthGuard } from '../shared/auth.guard';
-import { User } from 'src/user/user.decorator';
+import { User } from '../user/user.decorator';
 
 @Controller('mapmarkers')
 export class MapMarkersController {
     constructor(private mapmarkerservice: MapMarkerService){}
-    
+
     // Insert figure location, needs "authorization" header with valid Bearer token and content-type json
     @Put('insertLocation')
     @UseGuards(new AuthGuard())
@@ -20,7 +20,7 @@ export class MapMarkersController {
         }
     }
 
-    // return all markers
+    // return all markers through service
     @Get('getall')
     async getAll(){
         return this.mapmarkerservice.getAllMarkers();
diff --git a/src/mapmarkers/mapmarkers.module.ts b/src/mapmarkers/mapmarkers.module.ts
index 06c45c209fa8bd7f876359fa447e69c084ed3915..9fda8c9309e32239634c65ce72c4816860aa8cec 100644
--- a/src/mapmarkers/mapmarkers.module.ts
+++ b/src/mapmarkers/mapmarkers.module.ts
@@ -4,7 +4,7 @@ import { TypeOrmModule } from '@nestjs/typeorm';
 import { MapMarkersController } from './mapmarkers.controller';
 import { MapMarkerService } from './mapmarker.service';
 import { MapMarkerEntity } from './mapmarker.entity';
-import { PersonEntity } from 'src/user/user.entity';
+import { PersonEntity } from '../user/user.entity';
 
 @Module({
   imports: [TypeOrmModule.forFeature([MapMarkerEntity, PersonEntity])],
diff --git a/src/notifications/notification.entity.ts b/src/notifications/notification.entity.ts
new file mode 100644
index 0000000000000000000000000000000000000000..3f8781633ec42bc3132c5df92f4f74045721506b
--- /dev/null
+++ b/src/notifications/notification.entity.ts
@@ -0,0 +1,11 @@
+import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn } from "typeorm";
+
+// temporary table for warning notifications
+@Entity('Notifications')
+export class NotificationEntity {
+    @PrimaryGeneratedColumn('uuid') id: string;
+    @Column({type: 'text'}) message: string;
+    @CreateDateColumn() issued: Date;
+    // TODO:
+    // when game creation has been implemented, add logic so that the notifications are tied to games
+}
\ No newline at end of file
diff --git a/src/notifications/notifications.gateway.ts b/src/notifications/notifications.gateway.ts
new file mode 100644
index 0000000000000000000000000000000000000000..c30114895ffa8d4b40c3cedeaf827c5b3401cb25
--- /dev/null
+++ b/src/notifications/notifications.gateway.ts
@@ -0,0 +1,53 @@
+import {
+  SubscribeMessage,
+  WebSocketGateway,
+  WebSocketServer,
+  OnGatewayInit,
+  OnGatewayConnection,
+  OnGatewayDisconnect,
+} from '@nestjs/websockets';
+import { Logger } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Server, Socket } from 'socket.io';
+import { Repository } from 'typeorm';
+
+import { NotificationEntity } from './notification.entity';
+
+@WebSocketGateway()
+export class NotificationGateway
+  implements OnGatewayInit, OnGatewayConnection, OnGatewayDisconnect {
+  constructor(
+    //create references to tables as repositories
+    @InjectRepository(NotificationEntity)
+    private notificationRepository: Repository<NotificationEntity>,
+  ) {}
+  @WebSocketServer()
+  server: Server;
+
+  // for debugging: starting server, accepting connection, terminating connection
+  private logger: Logger = new Logger('NotificationGateway');
+
+  afterInit(server: Server) {
+    this.logger.log('Server has started');
+  }
+
+  handleConnection(client: Socket, ...args: any[]) {
+    this.logger.log(`Client ${client.id} connected`);
+  }
+
+  handleDisconnect(client: Socket) {
+    this.logger.log(`Client ${client.id} disconnected`);
+  }
+
+  // notifications for when game needs to be paused / stopped
+  @SubscribeMessage('shutItDown')
+  async handleMessage(client: Socket, text: string) {
+    this.logger.log(text);
+    // send the message to all clients listening to warningToPlayers branch
+    this.server.emit('warningToPlayers', text);
+    // create entity properties
+    const message = await this.notificationRepository.create({ message: text });
+    // insert created entity NOTE: insert method doesn't check for duplicates.
+    await this.notificationRepository.insert(message);
+  }
+}
diff --git a/src/notifications/notifications.module.ts b/src/notifications/notifications.module.ts
new file mode 100644
index 0000000000000000000000000000000000000000..5441d120b1e633b86c0c4d1db32416b2daf80937
--- /dev/null
+++ b/src/notifications/notifications.module.ts
@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { NotificationGateway } from './notifications.gateway';
+import { NotificationEntity } from './notification.entity';
+import { TypeOrmModule } from '@nestjs/typeorm';
+
+@Module({
+  imports: [TypeOrmModule.forFeature([NotificationEntity])],
+  providers: [NotificationGateway],
+})
+export class NotificationModule {}
diff --git a/src/user/user.controller.ts b/src/user/user.controller.ts
index 363e894a9e7fd0cb34df6dbd8a81b496f623bdea..2910ed9c445715f94c698935428bf2c85ef6d717 100644
--- a/src/user/user.controller.ts
+++ b/src/user/user.controller.ts
@@ -2,8 +2,8 @@ import { Controller, Post, Body, UsePipes, Get, UseGuards } from '@nestjs/common
 
 import { UserService } from './user.service';
 import { UserDTO } from './user.dto';
-import { AuthGuard } from 'src/shared/auth.guard';
-import { ValidationPipe } from 'src/shared/validation.pipe';
+import { AuthGuard } from '../shared/auth.guard';
+import { ValidationPipe } from '../shared/validation.pipe';
 
 @Controller('user')
 export class UserController {