What the badge should be granted for: Moderating one election town hall event.
Badge description (like "You added a co-maintainer to a package. BFF!"): You moderated one election town hall event.
Anything else we need to know: Possibly detectable from #fedora-townhall or scraping from a list of moderators on the main Fedora election wiki page.
Pushed out https://badges.fedoraproject.org/badge/town-hall-moderator
to comment on this ticket.