[Identity] Add a sample for OBO

[sadasant]

Follow up from this PR #16995 — make a sample for the OBO credential.

Currently there are no samples available in other languages. By the time we reach this issue, we might have one.

[sadasant]

Moved to the backlog. More information here: #15804 (comment)

[github-actions]

Hi @sadasant, we deeply appreciate your input into this project. Regrettably, this issue has remained inactive for over 2 years, leading us to the decision to close it. We've implemented this policy to maintain the relevance of our issue queue and facilitate easier navigation for new contributors. If you still believe this topic requires attention, please feel free to create a new issue, referencing this one. Thank you for your understanding and ongoing support.