v1.1.0

feat: add OAuth Client ID Metadata Document support (#1)

* feat: add OAuth Client ID Metadata Document support

Implement the protocol-level building blocks for OAuth Client ID Metadata Documents.
See https://datatracker.ietf.org/doc/draft-ietf-oauth-client-id-metadata-document
for the draft specification.

* move more logic from pocket id into fosite

* hardening based on claude's feedack

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Co-authored-by: Elias Schneider <login@eliasschneider.com>