Firmware v1.1.0 (Mythical)

Update from original firmware to comply with QMK repository.

Fixes include:

• Removing F13 function from OLED change key
• Adding more screens to display
• Changes some media key layouts
• General clean up and coherence with QMK guidelines

How to update:

• Hit Fn + Esc
• Drag .uf2 file onto RPI-RP2 drive that appears in file explorer