HOWTO: Manually add a Keycloak SSO user

Now, the user will get an automated email with a link to set their initial password.

Screenshot of the user creation form in Keycloak

Screenshot of the credential reset dialogue in Keycloak

1. Go to https://auth.social.coop
2. Log in with username admin, password in pass
3. Change to the social.coop "realm" in the drop-down on the top right
4. Click "Users" in the left-hand side-bar
5. Click "Add user" at the top
6. Fill out the form.
   1. Use the same email address and username as on Mastodon.
   2. Be sure to check "Email verified"
7. Click "Create"
8. Go to the "Credentials" tab
9. Click "Credential Reset" in the top-right
10. Start typing "Password" and choose "Update Password" from the list
11. Change "Expires In" to 30 days
12. Click "Send Email"