* added replacement pcb for the matrix cain keyboard * update usb descriptor * fixed led polarity * Update keyboards/matrix/cain/cain.c Co-authored-by: Joel Challis <[email protected]> * Update keyboards/matrix/cain/rules.mk Co-authored-by: Ryan <[email protected]> * Apply suggestions from code review Co-authored-by: James Young <[email protected]> * rename from cain to cain_re * Update keyboards/matrix/cain_re/readme.md Co-authored-by: James Young <[email protected]> Co-authored-by: Joel Challis <[email protected]> Co-authored-by: Ryan <[email protected]> Co-authored-by: James Young <[email protected]>