remove * from cors origin - override with env variable

Author: smalho01

backend/env.json

@@ -15,8 +15,7 @@
       "http://localhost:5050",
       "http://localhost:5050/",
       "http://localhost:4040",
-      "http://localhost:4040/",
-      "*"
+      "http://localhost:4040/"
     ]
   },
   "MONGO_USERNAME": {