All the connected clients will be notified when a new message comes in the queue.
Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.
We will use many of the features of Akka along the way.
On a related note, you can also for a TypeScript client if you want.
We need a client page, that can send and receive messages from this Hub.
The basic idea of a supervisor is that it should keep its child Actors alive by restarting them when necessary.