Provide common artifacts / code snippets / Postman,Bruno Collections

[AxelNennker]

Problem description
CSPs, when onboarding API consumers or trying to understand the CAMARA requirements on OAuth2, OpenId Connect, CIBA, etc, would benefit from code snippets, Postman or Bruno collections, etc

CAMARA is about CSPs working together and providing common APIs to API consumers.

Expected action
Provide Bash or Python scripts or common tool configurations that help other CSP and/or API consumers

Additional context

[jpengar]

Should we include it in the scope of the meta-release?

[AxelNennker]

This does not need to be in the meta-release.