fix: remove harcoded lang parameter

webapp/src/Controller/HomeController.php

 <?php
 
 /*
- * This file is part of the Tajine software.
+ * This file is part of the Comptoir-du-Libre software.
  * <https://gitlab.adullact.net/Comptoir/comptoir-du-libre>
  *
  * Copyright (c) ADULLACT   <https://adullact.org>
@@ -25,6 +25,7 @@
 use Symfony\Bridge\Twig\Attribute\Template;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
 use Symfony\Component\Mailer\MailerInterface;
@@ -83,15 +84,19 @@ public function checkSendingEmail(MailerInterface $mailer): Response
         name: 'app_home',
         methods: ['GET', 'HEAD']
     )]
-    public function homePage(): RedirectResponse
+    public function homePage(Request $request): RedirectResponse
     {
+//        dump($this->getParameter('app.i18n.default_locale'));
+//        dump($request->getLocale());
+//        dump($request->getDefaultLocale());
+        $lang = $request->getLocale();
         $softwareName = $this->getParameter('app.software.name');
         $slugSoftwareName = strtolower((new AsciiSlugger())->slug("$softwareName")->toString()) ;
         $headers = [
             "x-$slugSoftwareName-webapp" => true,
         ];
         return new RedirectResponse(
-            url: $this->generateUrl(route: 'app_home_i18n', parameters: ['lang' => 'fr'],),
+            url: $this->generateUrl(route: 'app_home_i18n', parameters: ['lang' => "$lang"],),
             status: Response::HTTP_PERMANENTLY_REDIRECT,
             headers: $headers,
         );