First, require the package using Composer:
composer require merkeleon/laravel-httpauth
Add to your config/app.php providers section
Merkeleon\Laravel\HttpAuth\Providers\HttpAuthServiceProvider::class,
After this actions you easily can create HttpAuth on your site:
php artisan http-auth:user:make
You can also enable redirect from your site to a third-party resource:
php artisan http-auth:redirect:make
Soon...