* Rename the regular/normal queues to basic.
* Move the partitioned type of queues to the end.
* Add metrics for the queues.
* Add actions for postponing and deleting a message.
* Add queue actions for purging and deleting a queue.
* Minor fixes for the empty stateof the queues page.
* Add a modal to send a message to the queue.
* Minor fixes.
* Correct some button texts.
* Refactor the metrics to switch to a rougher estimate method if it timeouts.
* Fix type errors.
* More minor fixes.