* Add Corne and Ferris shared layouts, and update the respective shields to use them. * Add a sample Hummingbird physical layout for testing posix xiao. * Add Sofle physical layout as an additional reference.
Standardized indentation to use spaces with a new pre-commit hook.
* Onboard stm32f072. * 3 possible encoder positions. * Underglow/per-key not yet support.