Advertise extension on keycloak.org

[stianst]

If there is interest in it, it would be great to see this extension listed on https://www.keycloak.org/extensions.html

A simple PR to https://github.com/keycloak/keycloak-web/tree/main/extensions is all that is needed to do that. I would prefer the PR comes from one of the maintainers of this repository though.

[klausbetz]

You may want to consider this extension as it also supports token exchange (exchanging Apple authorization codes for Keycloak access_token/refresh_token), which is interesting for native Sign in with Apple on iOS/iPad OS devices.

[stianst]

klausbetz

https://github.com/klausbetz/apple-identity-provider-keycloak/issues/9