Overview
Accept Like activities on individual posts over ActivityPub.
Implementation
- Look for these activities in each collection's inbox
- When received, add it to a database table that connects the post and the remote user
- Accept Undo activities for any Likes, and remove database row when received
- Display a simple count of Likes on individual post pages for the author, next to Views
- Potentially: display the number of likes on the Reader / Read Write.as page