add links to enter / exit folders

Reviewed-on: sites/file-explorer#5

src/Controller/HomeController.php

@@ -11,11 +11,17 @@ use Symfony\Component\Routing\Attribute\Route;
 
 class HomeController extends AbstractController
 {
-    #[Route(path: '/files', name: 'app_home', methods: [Request::METHOD_GET])]
-    public function __invoke(FileSystemService $fileSystemService): Response
+    #[Route(
+        path: '/files/{dirs?}',
+        name: 'app_home',
+        requirements: ['dirs' => '.+'],
+        defaults: ['dirs' => ''],
+        methods: [Request::METHOD_GET]
+    )]
+    public function __invoke(FileSystemService $fileSystemService, string $dirs): Response
     {
         return $this->render('home.html.twig', [
-            'content' => $fileSystemService->getDirs(),
+            'content' => $fileSystemService->getDirs($dirs),
             'fileForm' => $this->createForm(UploadFileForm::class),
         ]);
     }