[Article] Apple and Google passkeys? Configuring WebAuthn

[xgp]

https://keycloak.ch/keycloak-tutorials/tutorial-webauthn/

https://github.com/keycloak/keycloak-documentation/blob/main/server_admin/topics/authentication/webauthn.adoc

keycloak/keycloak#12102

https://blog.please-open.it/auth_user_experience/