- Add aisbf/kiro_parsers.py: AWS Event Stream parser for Kiro API responses
- Update kiro_converters_openai.py: Add build_kiro_payload_from_dict function
- Update kiro_converters.py: Minor fixes
- Update kiro_auth.py: Add AWS SSO OIDC authentication support
- Update handlers.py: Enhance streaming and error handling
- Update main.py: Add proxy headers middleware and configuration
- Update setup.py: Add version bump
- Add TODO.md: Comprehensive roadmap for caching and performance improvements

Features:
- Kiro AWS Event Stream parsing for non-streaming responses
- OpenAI-to-Kiro payload conversion
- AWS SSO OIDC authentication for Kiro
- Proxy headers middleware for reverse proxy support
- TODO roadmap with prioritized items for future development