private function registerDefaultSkins()
{
$pluginRegister = $this->app['xe.pluginRegister'];
$pluginRegister->add(\App\Skins\Member\AuthSkin::class);
$pluginRegister->add(\App\Skins\Member\SettingsSkin::class);
$pluginRegister->add(\App\Skins\Member\ProfileSkin::class);
}