feat(i18n): add multilingual support with translations for English, Japanese, and Simplified Chinese

- Create README.md for internationalization (i18n) documentation
- Add English translation for main README and quick start guide
- Add Japanese translation for main README
- Add Simplified Chinese translation for main README
- Introduce sample Docker Compose configurations for various deployment scenarios
- Implement CI/CD documentation for testing and deployment workflows
- Establish end-to-end testing guidelines and strategies
- Create test strategy documentation outlining unit, integration, and E2E tests

docs/docker.md

@@ -1,5 +1,16 @@
 # Docker 配置指南
 
+> ⚠️ **此文件已遷移**
+>
+> 本文件內容已整合至新的文件結構，請參閱：
+>
+> - 📦 [Docker 部署指南](deployment/docker.md)
+> - 🔧 [反向代理設定](deployment/reverse-proxy.md)
+>
+> 此文件將在未來版本中移除。
+
+---
+
 ## Docker Image 版本說明
 
 ConvertX-CN 提供兩種 Docker Image 選項：