During the SME review for security-architecture-concept.adoc, Sergey suggested we add a new diagram to depict the Quarkus Security Architecture.

This Jira tracks that content work.

See  https://github.com/quarkusio/quarkus/pull/30422.

Diagram and new content to support the diagram to be added to this published 3.0 alpha page:  https://quarkus.io/version/main/guides/security-architecture-concept