* handwired/numpad20: refactor
- layout macro no longer auto-prepends keycodes with KC_
- keymaps for this keyboard will now compile in QMK Configurator
- keymap now uses #include QMK_KEYBOARD_H
- deleted unused fn_actions code block
* handwired/numpad20: Configurator support
* include variables and .h files as pp directives
* start layout compilation
* split ergodoxes up
* don't compile all layouts for everything
* might seg fault
* reset layouts variable
* actually reset layouts
* include rules.mk instead
* remove includes from rules.mk
* update variable setting
* load visualizer from path
* adds some more examples
* adds more layouts
* more boards added
* more boards added
* adds documentation for layouts
* use lowercase names for LAYOUT_
* add layout.json files for each layout
* add community folder, default keymaps for layouts
* touch-up default layouts
* touch-up layouts, some keyboard rules.mk
* update documentation for layouts
* fix up serial/i2c switches