jonavin's GMMK Pro layout

Add Fn layer keys from Glorious Core mapping that's missing in the default qmk mapping
Add PrtScr, Scroll Lock, Break, NumLock to Fn layer
Implement Win key lock using Fn+Win like in Glorious Core firmware
Layer 2 mod on Caps Lock with double-tap to switch to this layer, double tap to switch back
Layer 2 provides arrows on WASD and additional nav keys + right hand numpad with 00; an be used for Alt Code entry
Layer 2 left spacebar Backspace
add double tap of Left Shift to toggle Caps Lock
additional encoder functionality
- FN Layer - change rgb idle timeout
- holding Left shift, change layers
- holding right shift, Navigate page up/down
- holding Left Ctrl, navigate prev/next word
- holding Left Alt, change media prev/next track
- default is change volume
LED/RGB Functionality
- RGB idle timeout (default 5 minutes)
  - Can be changed in FN layer with < and > or encoder
  - setting to zero disables timeout
  - indicators in FN layer using RGB in FN and number rows to show the timeout in minutes
- LED address location map as enum definition
- LED group lists for arrows, numpad, F row, num row, left and right side LEDs
- default startuo in single mode with default colour
- Capslock, Scroll Lock, and Num Lock (not set) indicator on left side LED
- Layer indicator on right side LED
- Fn key light up red when Fn layer activate
- Win Key light up red when Win Lock mode enabled
- Layer 2 activation lights up Numpad area

All layers diagram

Default layer

Fn Layer

Layer 2 (Caps Lock Mod)