[ ft ] Modification of .gitlab-ci.yml

Test...

.gitlab-ci.yml

@@ -11,6 +11,7 @@ pages:
   stage: deploy
   script:
     - echo "The site will be deployed to $CI_PAGES_URL"
+    - if type npm; then echo "npm already installed"; else apt update && apt install npm && echo "npm installation done"; fi
     - cd app
     - npm install
     - npm run build