* 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.
* AJP10304 layouts for Planck and JJ40 now have mouse support. Moved macros onto Adjust layer
* .gitignore for intellij iml files.
* Updated Macros to use send string