The goal for this section is to add a join page like the one you see in the following screenshot, where you provide a name and you provide the room name you want to join.
You'll then be able to join a given room, talk to anybody else in that room and you won't be able to communicate with other people in other rooms:
This means that when you click on this form, you're going to click on Join and we're going to have some custom information passed into the URL into the chat application as we know it, the one that looks like this:
