* Matrix refactor: rename KEYMAP to LAYOUT_numpad_4x4 * Keymap refactor: QMK_KEYBOARD_H, matrix renames, readability * Configurator support * Add numpad_4x4 LAYOUT to rules.mk
This keymap has a base layer with numpad functionality, and then a second layer with some additional keys. The user is encouraged to develop their own keymap using this as a starting point.