- Call out the fact that the SSL Configuration is important and
offer a minimal example of configuring a custom CA for trust.
- Add information about the `op.issuer` that was missing and add
information about the `rp.post_logout_redirect` in the example
since `op.endsession_endpoint` was already mentioned there and
these two should be together
- Explain that `op.jwks_path` can be a URL.