The solution should now be possible to compile and run. First, you need to set the Web project as the startup project and then run it so that the server is ready. Once you have it running, you can set the iOS project again as the startup project and then run it.
You should then be presented with the login screen:
After logging in with the credentials that the server is configured with, you will get to the Rooms page. You can select a room from the list or create a new one:
Once in the room, you can send messages and also receive messages: ...