AMER Crew: Explore auto-assigning tickets to active crew members

Idea: either randomly or by expertise, assign tickets to active crew members. This is the most complex thing that came out of our call https://docs.google.com/presentation/d/157l6pVTZ_QFK5O55Sv-aX9zI9Io5N_UkTgZKaN54Gb8/edit#slide=id.gb79775a314_0_456 so it's lowest priority/longest term priority.