Include non-normative examples in the Appendix

[PieterKas]

e.g. use of login identifier (such as e-mail), that theAS can then use to do realm discovery (find the right IdP).

[aaronpk]

We can pull from the list of examples on the older draft:

https://github.com/aaronpk/oauth-direct-interaction-grant/blob/main/draft-parecki-oauth-direct-interaction-grant.md#use-cases