Fix inability to create a server

app/Contracts/Repository/ServerRepositoryInterface.php

@@ -31,6 +31,15 @@ interface ServerRepositoryInterface extends RepositoryInterface, SearchableInter
      */
     public function getDataForRebuild($server = null, $node = null);
 
+    /**
+     * Load the egg relations onto the server model.
+     *
+     * @param \Pterodactyl\Models\Server $server
+     * @param bool                       $refresh
+     * @return \Pterodactyl\Models\Server
+     */
+    public function loadEggRelations(Server $server, bool $refresh = false): Server;
+
     /**
      * Return a server model and all variables associated with the server.
      *