Add complete support for Kimi Code CLI agent format.
- Add convert_kimi() function to generate YAML agent specs
- Add install_kimi() function to install agents to ~/.config/kimi/agents/
- Add Kimi to tool detection and installer UI
- Add integrations/kimi/ directory (generated files gitignored)
- Update integrations/README.md with Kimi documentation
- Add generated agent directories to .gitignore
Users can generate agents with: ./scripts/convert.sh --tool kimi