Allow users to specify custom hostnames

app/Server/Http/Controllers/Admin/StoreUsersController.php

@@ -39,6 +39,7 @@ class StoreUsersController extends AdminController
         $insertData = [
             'name' => $request->get('name'),
             'auth_token' => (string) Str::uuid(),
+            'can_specify_hostnames' => (int) $request->get('can_specify_hostnames'),
             'can_specify_subdomains' => (int) $request->get('can_specify_subdomains'),
             'can_share_tcp_ports' => (int) $request->get('can_share_tcp_ports'),
         ];