[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

keyboards/efreet/keymaps/default/config.h

@@ -0,0 +1,19 @@
+/* Copyright 2019 Amber Holly
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+// place overrides here