* added support for inverting the hand pin for split keyboards * Added docs about SPLIT_HAND_LOW_IS_LEFT * Update docs/feature_split_keyboard.md bring #define for split hand pin low for left half name in line with grid pin define Co-authored-by: Joel Challis <[email protected]> * Update quantum/split_common/split_util.c update split hand pin low is left name to match split hand grid define Co-authored-by: Joel Challis <[email protected]> Co-authored-by: Joel Challis <[email protected]>