Core: Main layers used for normal typing usage.
Util: Utility layers that are "nice-to-haves", such as macro layers.
Alt: Alternate layers to core layers, such as gaming layers.
Helper: Layers used to implement functionality, such as layer lock.
34 keys, nice!nano v2, cradio.keymap
Core: default, num, navi, fn
Util: term & its children
Alt: game
Helper: num_hold, num_lock, lock
