place this request in the request queue associated with the given element
The queue modifier can take an additional argument indicating exactly how to queue:
queue first - queue the first request to show up while a request is in flight
queue last - queue the last request to show up while a request is in flight
queue all - queue all requests that show up while a request is in flight
[HTMX Reference](https://htmx.org/attributes/hx-sync/)