MermaidJS is a super useful tool to draw graphs and diagrams and embed them into markdown. We use it a lot in our internal documentation (diagrams as code).
It would be nice if we could use Mermaid diagrams in the
README.mds of our repos, and have them render correctly in the UI.
For example this snippet:
```mermaid graph TD; A-->B; A-->C; B-->D; C-->D; ```
would render like so: