Add comprehensive TODO.md with future enhancement roadmap

- Added detailed roadmap for WebSocket SSH improvements
- Included stability and performance enhancements
- Added peer-to-peer with NAT traversal capabilities
- Organized items by priority levels
- Provided implementation guidance for contributors

TODO.md

+# WebSocket SSH - Future Enhancements Roadmap
+
+## Web Interface Improvements
+- [ ] **Better web terminal interface and functionality fix**
+  - Improve xterm.js integration and responsiveness
+  - Add support for terminal themes and customization
+  - Fix terminal resizing and scrolling issues
+  - Add copy/paste functionality improvements
+  - Implement better error handling for terminal sessions
+
+## Advanced Tunneling Features
+- [ ] **Additional tunnels/ports for VNC, HTTP/HTTPS**
+  - Implement VNC tunneling support for remote desktop access
+  - Add HTTP/HTTPS proxy tunneling capabilities
+  - Support for custom port forwarding rules
+  - Integration with popular remote access protocols
+  - Secure tunnel multiplexing for multiple services
+
+## Multi-User and Group Management
+- [ ] **Multi-groups with different password and web interface users association**
+  - Implement user groups with different access levels
+  - Group-based password policies and authentication
+  - Web interface user association with specific groups
+  - Role-based access control (RBAC) system
+  - Group-specific configuration profiles
+
+## Resource Management and Limits
+- [ ] **Active IDs limits per user/group**
+  - Implement connection limits per user
+  - Group-based resource allocation
+  - Active session monitoring and management
+  - Rate limiting and abuse prevention
+  - Usage statistics and reporting
+
+## Security Enhancements
+- [ ] **Enhanced authentication mechanisms**
+  - Two-factor authentication (2FA) support
+  - Certificate-based authentication
+  - Integration with external authentication providers
+  - Session management and timeout policies
+
+## Performance and Scalability
+- [ ] **Performance optimizations**
+  - Connection pooling and multiplexing
+  - Load balancing across multiple wssshd instances
+  - Database optimization for user/session management
+  - Caching mechanisms for improved response times
+- [ ] **Stability and performance improvements**
+  - Memory usage optimization and leak prevention
+  - Connection stability enhancements
+  - Error recovery and automatic reconnection
+  - Resource usage monitoring and limits
+  - Performance profiling and bottleneck identification
+
+## Peer-to-Peer Architecture
+- [ ] **Peer-to-peer with NAT traversal/evasion for better performance**
+  - Implement P2P connection establishment
+  - NAT traversal techniques (STUN, TURN, ICE)
+  - Direct peer connections for reduced latency
+  - NAT evasion strategies for restricted networks
+  - Hybrid P2P/centralized architecture options
+  - Bandwidth optimization for P2P connections
+
+## Monitoring and Logging
+- [ ] **Comprehensive monitoring system**
+  - Real-time metrics and dashboards
+  - Detailed audit logging
+  - Alert system for security events
+  - Performance monitoring and profiling
+
+## API and Integration
+- [ ] **REST API development**
+  - Programmatic access to tunnel management
+  - Integration with CI/CD pipelines
+  - Third-party tool integration
+  - Webhook support for events
+
+## Documentation and Testing
+- [ ] **Enhanced documentation**
+  - API documentation with examples
+  - Video tutorials and guides
+  - Comprehensive testing suite
+  - Performance benchmarking tools
+
+## Platform Support
+- [ ] **Extended platform compatibility**
+  - Mobile application development
+  - Browser extension support
+  - Docker and container integration
+  - Cloud platform optimizations
+
+---
+
+## Implementation Priority
+
+### High Priority (Next Release)
+- Better web terminal interface and functionality fixes
+- Active IDs limits per user/group
+- Enhanced error handling and user feedback
+- Stability and performance improvements
+
+### Medium Priority (Future Releases)
+- Additional tunnels/ports for VNC, HTTP/HTTPS
+- Multi-groups with different password policies
+- Performance optimizations and monitoring
+- Peer-to-peer with NAT traversal/evasion
+
+### Low Priority (Long-term)
+- Mobile applications and browser extensions
+- Advanced API integrations
+- Enterprise features and compliance
+
+---
+
+## Contributing
+
+Feel free to contribute to any of these enhancement areas. Please create an issue to discuss implementation details before starting work on major features.
+
+For questions or suggestions, please open a GitHub issue or start a discussion.
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