feat: integrate two factor authentication (#626)

* feat: integrate SNJS MFA with web

* fix: create rudimentary typings file for qrcode.react

* chore: lint fixes

* fix: address PR feedback

* fix: address PR feedback

* fix: address PR feedback 2

* fix: replace spread props on TwoFactorAuthWrapper component

* chore: change null check to undefined check

app/assets/javascripts/components/NotesContextMenu.tsx

@@ -24,7 +24,7 @@ const NotesContextMenu = observer(({ application, appState }: Props) => {
   );
 
   useCloseOnClickOutside(
-    contextMenuRef, 
+    contextMenuRef,
     (open: boolean) => appState.notes.setContextMenuOpen(open)
   );