- Add --tunnel, --tunnel-control, --service options to wsssh and wsscp
- Implement transport definitions with is_relay property and weight-based selection
- Add WebSocket transport with is_relay=true as primary implementation
- Update server-side tunnel handling with new transport attributes
- Enhance configuration system with tunneling options
- Fix critical transport list expansion for 'any' option
- Update all man pages with comprehensive tunneling documentation
- Add new config files wsssh.conf.example and wsscp.conf.example
- Update CHANGELOG.md, README.md, and TODO.md with new features
- Maintain backward compatibility with existing functionality