- Updated proxy configuration in `.env.example` files to use `PROXY_URL` and `PROXY_URLS` instead of `CUSTOM_PROXY_URL` and `CUSTOM_PROXY_URLS`.
- Introduced `DataImpulseProvider` for proxy management, replacing the deprecated `AnonymousProxiesProvider`.
- Enhanced documentation to reflect changes in proxy setup and usage.
- Adjusted related code in the proxy registry and configuration files to support the new provider structure.
