* Move ApiController to Api/BaseController
* API controllers inherit from Api::BaseController
* Add coverage for various error cases in api/base controller
* Change ActivityPub paging to match spec. Clean up ActivityPub outbox changes.
* Fix code style and test failures for OutboxController.
* Attempt to fix CI errors.
* Clean up collapsible components
* Expose user Outboxes and AS2 representations of statuses
* Save work thus far.
* Fix bad merge.
* Save my work
* Clean up pagination.
* First test working.
* Add tests.
* Add Forbidden error template.
* Revert yarn.lock changes.
* Fix code style deviations and use localized instead of hardcoded English text.
