DefaultProjectSf5/src/Controller/Frontend/DefaultController.php

<?php

namespace App\Controller\Frontend;

use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\Routing\Annotation\Route;

class DefaultController extends AbstractController
{

        public function home()
        {
                return $this->render('frontend/home.html.twig');
        }

}