* handwired/arrow_pad: layout macro and keymap refactor
- Layout macros moved from the keymaps to arrow_pad.h.
- LAYOUT_pad21 refactored to only accept keys that are physical present (no KC_NO entries required in keymap)
- Keymaps now use #include QMK_KEYBOARD_H
- Keymaps refactored to use process_record_user function (from action_get_macro)
* handwired/arrow_pad: Readme cleanup
Fixed the make commands and updated the layout macro.
* handwired/arrow_pad: Configurator support
* change diverge 3 KC_KEYMAP to LAYOUT
* Change KEYMAP to LAYOUT for handwired arrow pad
* change M10A to LAYOUT for m10-a
* Change KC_KEYMAP to LAYOUT_kc and KEYMAP to LAYOUT for mf68
* change KC_KEYMAP to LAYOUT for nano
* Refactor to LAYOUT
* refactor to LAYOUT-ansi and LAYOUT_iso for s65
* LAYOUT conversions for lfkkeyboards
* missed a few renames
* mini1800 for lfkeyobards support of LAYOUT
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