feat: Ajoute HomeController et son test

tests/Controller/HomeControllerTest.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+class HomeControllerTest extends WebTestCase
+{
+    public function testIndex(): void
+    {
+        $client = static::createClient();
+
+        // Request a specific page
+        $crawler = $client->request('GET', '/');
+
+        // Validate a successful response and some content
+        $this->assertResponseIsSuccessful();
+        $this->assertResponseHeaderSame('Content-Type', 'application/json');
+
+    }
+}