* handwired/space_oddity: refactor
- config.h: updated to use #pragma once include guard
- rules.mk: replace `?=` with `=`
- space_oddity.h:
- updated to use #pragma once include guard
- layout macro KEYMAP renamed to LAYOUT
- default keymap:
- updated to use #include QMK_KEYBOARD_H
- replace references to Planck keycodes
- replace fn_actions-powered layer switch keycode
- rebuild keymap block comments
- keymap layers now use short-form keycodes
- refactor action_get_macro keycodes into process_record_user
* handwired/space_oddity: Configurator support
* handwired/space_oddity: readme cleanup
- update readme to better conform with QMK template
- fixed the make command.
