- Introduced .copilot-instructions.md for GitHub Copilot usage guidelines.
- Created DEVELOPMENT.md detailing environment setup, workflow, and common tasks.
- Established STYLE_GUIDE.md as a quick reference for code style, formatting, and conventions.
- Created pyproject.toml for project metadata and dependencies.
- Added requirements.txt for development and production dependencies.
- Implemented basic test structure in the tests module.
- Developed unit tests for ElytraClient, including Pydantic validation and error handling.
