feat(api) : configuration API Platform avec JWT

- Configuration security.yaml avec firewalls JWT
- Routes API Platform avec prefixe /api
- Controller de test pour validation setup
- htaccess pour mod_rewrite Apache
- Access control pour routes publiques/protegees

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/Controller/TestController.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\Routing\Attribute\Route;
+
+class TestController extends AbstractController
+{
+    #[Route('/api/test', name: 'api_test', methods: ['GET', 'POST'])]
+    public function test(): JsonResponse
+    {
+        return $this->json(['status' => 'ok', 'message' => 'Test endpoint works!']);
+    }
+}