Add initial user server transformer for API.

config/laravel-fractal.php

@@ -0,0 +1,18 @@
+<?php
+
+return [
+
+    /*
+    |--------------------------------------------------------------------------
+    | Default Serializer
+    |--------------------------------------------------------------------------
+    |
+    | The default serializer to be used when performing a transformation. It
+    | may be left empty to use Fractal's default one. This can either be a
+    | string or a League\Fractal\Serializer\SerializerAbstract subclass.
+    |
+    */
+
+    'default_serializer' => Pterodactyl\Extensions\NoDataSerializer::class,
+
+];