* Add: Initial firmware and keymaps for the CO60 PCB * Apply suggestions from code review Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com> Co-Authored-By: Drashna Jaelre <drashna@live.com> Co-Authored-By: fauxpark <fauxpark@gmail.com> * Update: Address reviewer comments * Apply suggestions from code review Co-Authored-By: Drashna Jaelre <drashna@live.com> * Update: Reviewer changes