Creating the admin user
When it comes to creating the admin user, you can type in any email address in the email field. Outgoing emails are caught by the builtin Mailpit service, and you can access them by visiting https://hubzilla-ddev.ddev.site:8026
1 (or by typing ddev mailpit
in the terminal.)
Use that to get the registration token you need to register the first user.
1
Adapt as necessary for your setup.