As a coordinator, I want close an event so that i can mark its end

Open

#74 opened on Apr 12, 2020 0 comments 0 reactions 1 assignee Claimed by @lykmapipo View on GitHub

feature

Description

### Tasks
- [ ] Set `endedAt` when end event via `changelog API`
- [ ] Notify stakeholder on end of event
- [ ] Remind coordinator on ending event

### Exception
- [ ] Is event re-open allowed?

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