[TASK] Added stages to CI

.gitlab-ci.yml

+stages:
+  - linting
+  - deploy
+
+linting:
+  stage: linting
   image: node:14.15.1
-pages:
   cache:
     paths:
     - node_modules/
+  script:
+    - npm install
+    - npm run-script lint
 
+deploy:
+  stage: deploy
+  image: node:14.15.1
+  cache:
+    paths:
+    - node_modules/
   script:
     - npm install
     - npm run-script build
@@ -12,3 +26,7 @@ pages:
     - public
   only:
     - main
+
+
+
+