Add Kiro provider to documentation

- Updated README.md to list Kiro (Amazon Q Developer / AWS CodeWhisperer) as a supported provider
- Updated DOCUMENTATION.md Provider Support section with Kiro details
- Kiro provider uses native authentication (IDE credentials or CLI)
- Supports Claude models through Kiro with streaming, tool calling, and extended thinking

DOCUMENTATION.md

@@ -153,6 +153,13 @@ AISBF supports the following AI providers:
 - No API key required
 - Local model hosting support
 
+### Kiro (Amazon Q Developer / AWS CodeWhisperer)
+- Native integration with Kiro authentication
+- Supports IDE credentials and CLI authentication
+- Access to Claude models through Kiro
+- No separate API key required (uses Kiro credentials)
+- Supports streaming, tool calling, and extended thinking
+
 ## Rotation Models
 
 AISBF supports provider rotation with weighted model selection, allowing intelligent load balancing across multiple AI providers:

README.md

@@ -77,6 +77,7 @@ See [`PYPI.md`](PYPI.md) for detailed instructions on publishing to PyPI.
 - OpenAI and openai-compatible endpoints (openai)
 - Anthropic (anthropic)
 - Ollama (direct HTTP)
+- Kiro (Amazon Q Developer / AWS CodeWhisperer)
 ## Configuration
 
 ### SSL/TLS Configuration