Add TuxiNet branding and document templates

app/Http/Middleware/AuthMiddleware.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use App\Core\Response;
+use App\Services\AuthService;
+
+class AuthMiddleware
+{
+    public function handle(array $params, callable $next): Response
+    {
+        $auth = AuthService::getInstance();
+        if (!$auth->check()) {
+            return new Response('', 302, ['Location' => '/login']);
+        }
+
+        return $next($params);
+    }
+}