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/start.php

@@ -0,0 +1,5 @@
+#!/usr/bin/env php
+<?php
+chdir(__DIR__);
+require_once __DIR__ . '/vendor/autoload.php';
+support\App::run();