public function settings(Request $request)
    {
        $this->authorize('update', Settings::class);

        $settings = Settings::first();

        $settings->update([
            'mail_enabled' => $request->mail_enabled ? true : false,
        ]);

        $settings->touch();

        return redirect()->route('laralum::settings.index', ['p' => 'Notifications'])->with('success', __('laralum_notifications::general.settings_updated'));
    }