Closes T7957, Users should be able to rsvp to event via email.
- Group Reviewers
- Maniphest Tasks
- T7957: Implement mail in Calendar, with reply handling
- Restricted Diffusion Commit
rP46a1b816ed97: Users should be able to rsvp to event via email
Create event, open invitee email, reply to email w/ !rsvp yes, refresh event, invitee should show as attending.
Double check that creating a new event still works?
If it complains here, add: