Refactor Cloudflare Workers configuration and update dependencies

Commit notes

- Removed `@react-router/cloudflare` dependency and updated to use `react-router` directly for improved compatibility. - Added `@cloudflare/vite-plugin` and `@cloudflare/workers-types` to enhance Cloudflare Workers integration. - Updated TypeScript configuration for better support of Cloudflare Workers, including new paths and types. - Modified deployment scripts and configurations to streamline the build and deployment process for Cloudflare. - Enhanced error handling in the server entry point to improve reliability during rendering.