Feature flags (#543)

* Re-organize a bit controllers

* Added the featureflagcontroller

* Implement feature flags in the front-end

* Clean env files

* Clean console.log messages

* Fix feature flag test

api/config/services.php

@@ -74,4 +74,8 @@ return [
         'fonts_api_key' => env('GOOGLE_FONTS_API_KEY'),
     ],
 
+    'zapier' => [
+        'enabled' => env('ZAPIER_ENABLED', false),
+    ],
+
 ];