Request: Support "Sign in with Apple" as a provider

[rishavs]

Is your feature request related to a problem? Please describe.

Apple recently upgraded their on Outh2 provider https://developer.apple.com/sign-in-with-apple/ It would be great to have support for Apple Oauth2 as well considering the sheer size of the Apple Id audience.

Describe the solution you'd like to see

A default provider added for "Sign in with Apple"

Describe alternatives you've considered

Hand rolling an implementation using the SIWA docs.

Additional context

n/a

[arjan-vdw]

Any plans for this?

[sw00d]

Any plans for this?

[mrleblanc101]

Any way to implement this using the OAuth2 Scheme ?