Documentation for model setup, overall configuration

[tcannonfodder]

• Devise::Models::PasskeyAuthenticatable (after Add passkey keyword parameter to PasskeyAuthenticatable.after_passkey_authentication #14)
• Devise::Passkeys::PasskeyIssuer
  • Documentation about how Devise::Passkeys.create_and_return_passkey is a helper wrapper for the PasskeyIssuer so that external code can easily create passkeys

[johalloran01]

@tcannonfodder I can take this issue when I return home

[johalloran01]

Created a pull request for this issue: #42