* Enhance setup and configuration for self-hosting
- Updated `.env.example` to include new webserver configuration options.
- Modified `docker-compose.yml` to support custom port bindings for backend and client services when not using the built-in webserver.
- Enhanced `setup.sh` to handle `--no-webserver` flag, allowing users to run their own webserver and exposing necessary ports.
- Expanded documentation in `self-hosting.mdx` to include instructions for using a custom webserver and managing services.
* Refactor environment variable configuration and enhance setup script
- Updated `.env.example` to use HOST_BACKEND_PORT and HOST_CLIENT_PORT for clearer port mapping.
- Modified `docker-compose.yml` to reflect changes in environment variable names for backend and client services.
- Enhanced `setup.sh` to support custom port options and improved error handling for missing `.env` file.
- Updated documentation in `self-hosting.mdx` to include new setup script options and examples for custom port configurations.
* docker publish
