* Admin page using gridjs
* Move hook into separate file
* Link to each user's Manifold and Firestore /user entry
* Gate admin access to Austin/James/Stephen
* Don't leak the existence of /admin
* Add a custom 404 page that directs to Discord.
* Fix broken window.location.href on NextJS server
* Tracks all market activity on a single page
* Support both global and per-contract feeds
* UI tweaks
* Include contract description in activity feed
* Show activity feed on Create page
* Copy feed template from TailwindUI
* Show all bets in a feed-like manner
* Tweak design of individual trades
* Allow traders to comment on their bets
* Code cleanups
* Incorporate contract description into the feed
* Support description editing from contract feed
* Group together bets placed within 24h
* Fix build error
* Add a feed item for market resolution
* Add a feed item for markets that have closed
* Comment on a separate subcollection