Django 2FA auth

Combine maykin-2fa and django-admin-index utilities.

Depends on django-admin-index.

maykin_common.django_two_factor_auth.should_display_dropdown_menu(request: HttpRequest) → bool

Overrides the default should_display_dropdown_menu from django_admin_index.utils to: - not display the dropdown in maykin_2fa views. - only display the dropdown to verified users.