[Keyboard] Add Efreet keyboard (#6811)

[Keyboard] Add Efreet keyboard (#6811)

* start wraith firmware

* completed initial setup

* added amber keymap to wraith

* fixed LEDs, wrote readme files

* reverted bootloader type after troubleshooting

* decapitalised files and directory as per qmk standards

* Update Wraith keyboard folder

- Add timer keymap with documentation
- Remove boilerplate in rules.mk, ready for pull request
- Update info.json with ISO and ANSI layouts, ready for QMK Configurator

* Add Efreet keyboard

* Remove unnecessary keyboard folders

* Enable community layout support for Efreet

- Rename LAYOUT macro to LAYOUT_ortho_4x12
- Add layout macro named LAYOUT_planck_mit
- Remove unnecessary magic key command, as we are using the default
- Fix readme.md formatting for GitHub

* Fix community layout support for Efreet

- Fix 2u spacebar keycodes in LAYOUT_planck_mit to denote absence of switch
- Turn on Community Layouts in rules.mk

* Update default keymap.c to use community layout