Epic: OAuth 2.0 Authorization Server Metadata (RFC 8414)

[jozefizso]

OAuth 2.0 client can use to obtain the information needed to interact with an OAuth 2.0 authorization server, including its endpoint and authorization server capabilities.

https://datatracker.ietf.org/doc/html/rfc8414

Metadata registry: https://www.iana.org/assignments/oauth-parameters/oauth-parameters.xhtml