Merge branch 'gitlab_ci' into RS

.gitlab-ci.yml

+image: node:10.16.0-stretch
+
+cache:
+    paths:
+        - node_modules
+
+stages:
+    - test
+
+run_test:
+    stage: test
+    script:                
+        - npm i
+        - ./node_modules/@angular/cli/bin/ng build
+    tags:
+        - node