* 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 NIU Mini keymap from Planck keymap * Remove old keymap files * Fix README, removed Planck references * Add default layout, move Planck layout to separate folder * Update README