Fix case sensitivity in app folders

app/Middleware/AuthMiddleware.php

@@ -1,34 +0,0 @@
-<?php
-/**
- * Simple Authentication Middleware
- */
-
-declare(strict_types=1);
-
-namespace App\Middleware;
-
-use App\Core\JWT;
-
-final class AuthMiddleware
-{
-    public static function check(): array
-    {
-        $headers = getallheaders();
-        $authHeader = $headers['Authorization'] ?? $headers['authorization'] ?? '';
-        
-        if (!str_starts_with($authHeader, 'Bearer ')) {
-            json_error('Unauthorized: Missing or invalid token', 401);
-        }
-
-        $token = substr($authHeader, 7);
-        $secret = env('JWT_SECRET');
-        
-        $decoded = JWT::decode($token, $secret);
-        
-        if (!$decoded) {
-            json_error('Unauthorized: Invalid or expired token', 401);
-        }
-
-        return $decoded;
-    }
-}