added sonarqube gitlab-ci

.gitlab.ci.yml

+stages:
+  - analysis
+
+sonarqube:
+  stage: analysis
+  image: ciricihq/gitlab-sonar-scanner
+  variables:
+    SONAR_URL: http://10.166.0.3:9000
+    SONAR_ANALYSIS_MODE: publish
+  script:
+    - gitlab-sonar-scanner -Dsonar.host.url=http://10.166.0.3:9000 -Dsonar.projectKey=backend -Dsonar.login=$SONAR_USER -Dsonar.password=$SONAR_PASS -Dsonar.gitlab.project_id=$CI_PROJECT_ID -Dsonar.gitlab.commit_sha=$CI_COMMIT_REF -Dsonar.gitlab.ref_name=$CI_COMMIT_REF_NAME

sonar-project.properties

+sonar.projectKey=backend
+sonar.projectName=OverflowBackend
+sonar.projectVersion=1.0
+sonar.sources=.