Initial commit: X-Server Mobile enterprise tool system

- Frontend: React 18 + TypeScript + Vite + Ant Design Mobile
- Backend: PHP 8.5 + Webman 2.x + MySQL + Redis
- i18n support: Chinese, English, Russian, Spanish, French
- Approval workflow engine
- Docker development environment
- Feishu integration

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/config/log.php

@@ -0,0 +1,17 @@
+<?php
+
+use support\Log;
+
+return [
+    'default' => [
+        'handlers' => [
+            [
+                'class' => Monolog\Handler\StreamHandler::class,
+                'constructor' => [
+                    runtime_path() . '/logs/workerman.log',
+                    Monolog\Logger::DEBUG,
+                ],
+            ],
+        ],
+    ],
+];