adrema/modules/Mailgateway/MailgatewayServiceProvider.php

<?php

namespace Modules\Mailgateway;

use App\Setting\SettingFactory;
use Illuminate\Routing\Router;
use Illuminate\Support\Facades\View;
use Illuminate\Support\ServiceProvider;
use Modules\Mailgateway\Components\SettingView;
use Modules\Mailgateway\Types\LocalType;
use Modules\Mailgateway\Types\MailmanType;

class MailgatewayServiceProvider extends ServiceProvider
{
    /**
     * Register services.
     *
     * @return void
     */
    public function register()
    {
    }

    /**
     * Bootstrap services.
     *
     * @return void
     */
    public function boot()
    {
        app(SettingFactory::class)->register(MailgatewaySettings::class);

        app(Router::class)->middleware(['web', 'auth:web'])->group(function ($router) {
            $router->get('/setting/mailgateway', SettingView::class)->name('setting.mailgateway');
        });

        app()->bind('mail-gateways', fn () => collect([
            LocalType::class,
            MailmanType::class,
        ]));

        View::addNamespace('mailgateway', __DIR__ . '/Components');
    }
}