* Adds Audio Keycodes to both the feature page and master list
* Re-orders the keycode list, so it's alphabetical (mostly)
* Add additional (missing) sections to the keycode list
* Add and update links in the keycode page
* Add and reorder links in sidebar's keycode section
* Macro for a momentary layer switch with mods
Passes through to the existing ACTION_LAYER_MODS macro, albeit with more
limited options due to lack of space in the quantum_keycodes enum.
* Add documentation for LM layer-mod macro
* Clean up Tap Toggle documentation
* Set up tap dance for layers on the lower button.
* Refactored code to share in the users directory between my two keyboard layouts.
* Small keyboard layout change.
* Updated documentation on oneshot usage in macros/tap dance.
