add render

fix config

update static

Add client IP logging functionality: Implement `get_client_ip` to retrieve real client IP addresses, enhancing request logging in `before_request`. Update Dockerfile to use Gunicorn with configuration for accurate IP logging. Update VSCode completion for new function.

Refactor application to Flask: enhance structure with RESTful API, static file support, and logging. Update Dockerfile for production with Gunicorn and health checks. Expand requirements for Flask and OpenSearch integration.

add local assets

Refactor resource handling: remove book_104.json, update required files, and enhance script.js to support local resource mapping for images and audio.