Add database list endpoint, add more resource name magic

app/Models/ServerVariable.php

@@ -1,11 +1,4 @@
 <?php
-/**
- * Pterodactyl - Panel
- * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
- *
- * This software is licensed under the terms of the MIT license.
- * https://opensource.org/licenses/MIT
- */
 
 namespace Pterodactyl\Models;
 
@@ -13,6 +6,12 @@ use Illuminate\Database\Eloquent\Model;
 
 class ServerVariable extends Model
 {
+    /**
+     * The resource name for this model when it is transformed into an
+     * API representation using fractal.
+     */
+    const RESOURCE_NAME = 'server_variable';
+
     /**
      * The table associated with the model.
      *