* feat(keyboard-shortcuts): show help in a react dialog
- Move shortcut help dom declaration to a react component
- Let open/close logic be handled by AtlasKit Dialog
- Remove static html for help from index.html
- Consolidate keyboard shortcut css
* squash: use lozenge for key styling
* squash: use different iteration style
* squash: update package-lock for lozenge
virtuacoplenny