jandl-taskmanager-app/be/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use App\Http\Controllers\HorizonHomeController;
use Illuminate\Support\ServiceProvider;
use Laravel\Horizon\Http\Controllers\HomeController;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        // Horizon's subdirectory hack
        $this->app->bind(
            HomeController::class,
            HorizonHomeController::class
        );
    }

    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        //
    }
}