EPIC: Supervisors can manage multiple catchment areas

[michaelkohn]

• [x] https://github.com/medic/cht-core/issues/6543
• [x] https://github.com/medic/care-teams/issues/111
• [x] https://github.com/medic/care-teams/issues/112
• [x] https://github.com/medic/care-teams/issues/113
• [x] https://github.com/medic/care-teams/issues/114
• [x] https://github.com/medic/cht-core/issues/9116

[michaelkohn]

Released!