Conflicts:
- `README.md`:
Upstream updated its README, while we have a completely different one.
Kept our README.
- `app/controllers/concerns/web_app_controller_concern.rb`:
Conflict because of glitch-soc's theming system.
Additionally, glitch-soc has different behavior regarding moved accounts.
Ported some of the changes, but kept our overall behavior.
- `app/javascript/packs/admin.js`:
Code changes actually applied to `app/javascript/core/admin.js`
* Change public accounts pages to mount the web UI
* Fix handling of remote usernames in routes
- When logged in, serve web app
- When logged out, redirect to permalink
- Fix `app-body` class not being set sometimes due to name conflict
* Fix missing `multiColumn` prop
* Fix failing test
* Use `discoverable` attribute to control indexing directives
* Fix `<ColumnLoading />` not using `multiColumn`
* Add `noindex` to accounts in REST API
* Change noindex directive to not be rendered by default before a route is mounted
* Add loading indicator for detailed status in web UI
* Fix missing indicator appearing while account is loading in web UI
