User stories for this feature request:
As a ScoutBook calendar event organizer or adult leader,
I want to email event participants,
who have RSVP’ed “Yes” to the event,
So that I can share additional information with them.
As a ScoutBook calendar event organizer or adult leader,
I want to email event participants,
So that I can follow up with them after an event.
As a ScoutBook calendar event organizer or adult leader,
I want to email event participants,
So that I can contact parents and guardians during an event.