- Add basic library structure with constructor, destructor, and begin()
- Include chip ID verification (0x22) in begin() function
- Add register address definitions for all BQ25628E registers
- Include test example sketch with basic functionality verification
- Add GitHub CI workflow and clang-format configuration
- Set up project structure following Adafruit library conventions
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>