RGB backlight for MinOrca

Example of adding WS2812b LEDs to a MinOrca.

http://www.40percent.club/2016/08/tiny-whale.html

The keymap is a work in progress. The RGB functions are accessed by holding down the TAB key.

Shortcut | Function :------- | :----- Tab + Z | Toggle on/off Tab + X | Mode Tab + C | Hue+ Tab + V | Hue- Tab + B | Saturation+ Tab + N | Saturation- Tab + M | Brightness+ Tab + , | Brightness-

Example wiring:

WS2812 data pin is connected to D5