- Added OpenRouter as a supported LLM provider.
- Updated environment variables for OpenRouter configuration.
- Added HTTP Referer and X-Title headers for OpenRouter requests.
- Updated README with OpenRouter setup and example configurations.
- Updated default model to anthropic/claude-3.7-sonnet for OpenRouter.
- Added OpenRouter models to the list of supported models.
- Increased version number to 0.1.6.