[WIP] 重构项目为 Vite + React 架构（codelf2025 分支）

[Copilot]

• [x] Create a Vite + React project structure
• [x] Set up essential Vite configuration files
• [x] Configure CSS and styling for Vite
• [x] Copy assets to public directory
• [ ] Migrate React components to Vite structure
• [ ] Set up service worker integration
• [ ] Update build scripts
• [ ] Test the application
• [ ] Update README with new instructions

---

💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.