feat: Use prettier-eslint to format code

api-server/server/middlewares/constant-headers.js

@@ -1,7 +1,8 @@
 export default function constantHeaders() {
   return function(req, res, next) {
     res.header('Access-Control-Allow-Origin', '*');
-    res.header('Access-Control-Allow-Headers',
+    res.header(
+      'Access-Control-Allow-Headers',
       'Origin, X-Requested-With, Content-Type, Accept'
     );
     next();