Add new bfake "FaceW" keymap (#2360)

* Add mechmerlin keymap and readme for facew board

* Fix keymap
- Backspace as on the wrong key
- HHKB backspace changed to backslash

* Update keymap.c

Change TO to TG for toggle.

keyboards/bfake/keymaps/mechmerlin/readme.md

@@ -0,0 +1,18 @@
+MechMerlin's FaceW Sprit Edition Layout
+======================
+
+This is the preferred 60% layout used by u/merlin36, host of the [MechMerlin YouTube channel](www.youtube.com/mechmerlin).
+
+## Keyboard Notes
+- The FaceW Sprit Edition can be purchased on [mechanicalkeyboards.com](www.mechanicalkeyboards.com)
+- Uses ps2avru instead of ps2avrgb
+- To put in reset mode hold `q` while inserting the USB cable
+- Use flashing instructions from ps2avrgb QMK port
+
+## Keymap Notes
+- Does not support any form of inswitch lighting as Merlin hates them.
+- Arrow toggle switch to the right of right shift
+- Reset is FN + Left Shift + R
+
+### Build
+To build this keymap, simply run `make bfake:mechmerlin` from the qmk_firmware directory.