feat: use groups from atlauncher admin oauth response

Author: RyanTheAllmighty

classes/ATLauncherAdapter.php

@@ -30,6 +30,7 @@ public function getUser() {
  }
  $data['name'] = isset($result['name']) ? $result['name'] : $result['email'];
  $data['mail'] = $result['email'];
+ $data['grps'] = $result['grps'];
 
  return $data;
  }