forked from mfulz_github/qmk_firmware

* use `register_code16` and relatives for tapdance code * rename tapdance keys to more closely mirror the `KC` names in QMK * additional naming change to match QMK style
* use `register_code16` and relatives for tapdance code * rename tapdance keys to more closely mirror the `KC` names in QMK * additional naming change to match QMK style