Merge pull request #731 from Hexastack/730-extra-empty-line-at-the-beginning-of-frontend-files

feat(frontend): introduce ESLint no-multiple-empty-lines rule

api/.eslintrc.js

@@ -89,5 +89,6 @@ module.exports = {
       ],
       2,
     ],
+    'no-multiple-empty-lines': ['error', { max: 1 }],
   },
 };