-Hub, +Options)Create a new hub. Hub is a dict containing the following
- The name of the hub (the Name argument)
- Message queue to which the hub
thread(s) can listen.
After creating a hub, the application normally creates a thread that
listens to Hub.queues.event and exposes some mechanisms to
establish websockets and add them to the hub using hub_add/3.
- See also
establishes a websocket from the SWI-Prolog webserver.