protected function registerWidgets()
    {
        $default_widgets = ['LaravelAdminPanel\\Widgets\\UserDimmer', 'LaravelAdminPanel\\Widgets\\PostDimmer', 'LaravelAdminPanel\\Widgets\\PageDimmer'];
        $widgets = config('admin.dashboard.widgets', $default_widgets);

        foreach ($widgets as $widget) {
            Widget::group('admin::dimmers')->addWidget($widget);
        }
    }