* Update docs for default keymap
* Update COD67 docs with fixes and macOS details
* Add a personal COD67 2-layer map with RGB control
* Enable RGB, NKRO and change firmware format to bin
* Swap k0D and k48 to fix backspace on the top row
* Add RGB config and tidy up a bit
* Finish default map because merlin was full of bbq
* Whoops, rogue tabs
* Typo fix in the main COD67 readme
* Remove empty function defs in keymap
* Swap how the backspace key relocation happens
* Fix PRODUCT_ID and add a link to software PWM docs
* Disable NKRO and bootmagic and enable mouse keys
* Better header guard
* Whoops, forgot to remote the #endif
