DudeOfAwesome's Preonic layout

Features

Base Layers
- QWERTY
- Workman
- Dvorak
- Colemak
Numpad layer
Audio

Building and flashing

Put your board in DFU mode with either the button on the bottom, or with a software key in your current firmware
Flash:
```
$ make preonic/rev2:dudeofawesome:dfu
```