Added missing type signatures.

src/HomeRoutes.php

@@ -32,13 +32,13 @@ class HomeRoutes implements RouteHandler, UrlSource {
 
     #[ExactRoute('GET', '/downloads')]
     #[UrlFormat('downloads', '/downloads')]
-    public function getDownloads($response) {
+    public function getDownloads(HttpResponseBuilder $response) {
         $response->redirect('https://fii.moe/mc');
     }
 
     #[ExactRoute('GET', '/guide')]
     #[UrlFormat('guide', '/guide')]
-    public function getGuide($response) {
+    public function getGuide(HttpResponseBuilder $response) {
         $response->redirect('https://fii.moe/mcguide');
     }