Release v0.2.0

Release version 0.1.1

- Direct API client implementations for Anthropic, OpenAI, and OpenRouter
- New modules: Majority, MultiChainComparison, and ProgramOfThought
- New optimizers: COPRO and KNNFewShot
- Enhanced error handling with detailed error classes
- Support for Ruby 3.3.6
- Interactive console with pre-loaded modules
- Examples runner with model selection

- Replaced Raix dependency with direct API integrations
- Improved console experience
- Updated default max_tokens to 4096
- Fixed namespace issues

- Redis mocking in job tests for CI compatibility
- Rubocop configuration
- Test failures in CI environment

- Raix gem dependency
- Support for Ruby 3.2.x