feat: mermaid: [Add support for iconify icons](https://github.com/mermaid-js/mermaid/pull/5793).
feat: mermaid: [Allow multi-line relationship labels](https://github.com/mermaid-js/mermaid/pull/5711).
feat: mermaid: [Adds architecture diagrams which allows users to show relations between services](https://github.com/mermaid-js/mermaid/pull/5452).
