[Keyboard] Add Wraith keyboard (#6810)

* 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 Wraith image to readme.md

* Fix Wraith keyboard's QMK Configurator support

- Update info.json
- Add layout macros in wraith.h
- Update keymap.c files to use LAYOUT_all
- Fix readme formatting

keyboards/cutie_club/wraith/wraith.c

@@ -0,0 +1,43 @@
+/* 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/>.
+ */
+#include "wraith.h"
+
+// Optional override functions below.
+// You can leave any or all of these undefined.
+// These are only required if you want to perform custom actions.
+
+void matrix_init_kb(void) {
+  setPinOutput(B3);
+  setPinOutput(B0);
+  matrix_init_user();
+}
+
+void matrix_scan_kb(void) {
+  matrix_scan_user();
+}
+
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+  return process_record_user(keycode, record);
+}
+
+void led_set_kb(uint8_t usb_led) {
+  if (IS_LED_ON(usb_led, USB_LED_CAPS_LOCK)) {
+        writePinLow(B3);
+    } else {
+        writePinHigh(B3);
+    }
+  led_set_user(usb_led);
+}