Create the layout for a dialog that will display to users who wish to create a new channel.
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/18177135-build-an-app-like-discord-with-firebase/lessons/6
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/18177135-build-an-app-like-discord-with-firebase/lessons/6