Basic backend support to at least store a backup model in the DB

app/Repositories/Eloquent/BackupRepository.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Pterodactyl\Repositories\Eloquent;
+
+use Pterodactyl\Models\Backup;
+
+class BackupRepository extends EloquentRepository
+{
+    /**
+     * @return string
+     */
+    public function model()
+    {
+        return Backup::class;
+    }
+}