Initial Kaffeekasse SaaS restart

app/Core/Response.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Core;
+
+final class Response
+{
+    public static function redirect(string $url): never
+    {
+        header('Location: ' . $url);
+        exit;
+    }
+
+    public static function notFound(string $message = 'Seite nicht gefunden.'): void
+    {
+        http_response_code(404);
+        echo $message;
+    }
+}