PREVENT_STUCK_MODIFIERS
* Remove chording as it is not documented, not used, and needs work. * Make Leader Key an optional feature. * Switch from `PREVENT_STUCK_MODIFIERS` to `STRICT_LAYER_RELEASE` * Remove `#define PREVENT_STUCK_MODIFIERS` from keymaps.
* Add files via upload * katana60 defaults, initial pull-request * removed icons from google drive * added simple readme files * pull-request updates * readme file updated * readme file formatting * improvements before live * colemak readme * updated readme files * removed makefiles and updated readme
