* rename LAYOUT to LAYOUT_all
* pluckey.h: add matrix diagram
* pluckey.h: use XXX for KC_NO
* add LAYOUT_ergo macro with keymap
`info.json` had layout data for this macro, but the macro was not present in the source code.
* info.json: correct key sequence
Fixes incorrect key assignments in QMK Configurator.
Ryan
James Young
floookay