feat: add recipe translation tool with AI translation and settings management

- Add Word document parsing and translation export
- Add database configuration management
- Add AI/LLM translation configuration
- Add translation vocabulary management
- Add export settings (colors, page orientation, headers)
- Separate database and AI configurations
- Add debounced search to prevent database overload

config/database.example.env

@@ -0,0 +1,9 @@
+# 数据库配置
+DB_HOST=127.0.0.1
+DB_PORT=3306
+DB_USER=root
+DB_PASSWORD=123456
+DB_NAME=recipe_tools
+
+# 服务器配置
+PORT=3000