update ormconfig.json.example

ormconfig.json.example

 
 {
-    "type": "",
-    "host": "",
-    "port": ,
-    "username": "",
-    "password": "",
-    "database": "",
+    "type": "postgres",
+    "host": "localhost",
+    "port": 5432,
+    "username": "ehasa",
+    "password": "salasana",
+    "database": "ehasa",
     "entities": ["src/**/*.entity{.ts,.js}"],
     "synchronize": true,
-    "logging": true
+    "logging": true,
+    "dropSchema": false
   }
\ No newline at end of file