Linting server needs the requirejs eslint plugin now

.gitlab-ci.yml

@@ -16,7 +16,7 @@ audit:
 lint-server:
   stage: test
   script:
-    - npm install eslint eslint-plugin-prettier prettier babel-eslint
+    - npm install eslint eslint-plugin-prettier prettier babel-eslint eslint-plugin-requirejs
     - cd src/server
     - ../../node_modules/.bin/eslint . 
   only: