Resolve "Improve gitlab pipelines"

Closes #5 (closed)

.gitlab/client.gitlab-ci.yml

-client-setup:
+client:setup:
   image: node:10
   stage: setup
   script:
@@ -17,21 +17,20 @@ client-setup:
       - client/.npm/
       - client/node_modules/
 
-client-linting:
+client:linting:
   image: node:10
   stage: test
+  needs: ["client:setup"]
   script:
     - cd client
     - npm run lint
-  dependencies:
-    - client-setup
 
-client-test:
+client:test:
   image: node:10
   stage: test
+  needs: ["client:setup"]
   script:
     - cd client
     - npm run test:coverage
-  dependencies:
-    - client-setup
+
   coverage: /All files\s*\|\s*([\d\.]+)/