npm -> yarm

.gitlab-ci.yml

@@ -14,8 +14,9 @@ build:
   stage: build
   script:
     - cd src-front
-    - npm install
-    - npm run generate
+    - yarn install
+    - yarn build
+    - yarn generate
   after_script:
     - echo "{\"job_token\":\"$CI_JOB_TOKEN\", \"name\":\"$SITE_NAME\" }" > request.json
     - "curl -H 'Content-Type: application/json' -X POST -d @request.json $WEBHOOK_URL"