Using Mermaid Diagrams

Mermaid diagrams¹ rendered client-side in your static blog.

graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->D;

And here’s another, to prove enumeration is a thing.

sequenceDiagram
    autonumber
    Alice->>John: Hello John, how are you?
    loop Healthcheck
        John->>John: Fight against hypochondria
    end
    Note right of John: Rational thoughts!
    John-->>Alice: Great!
    John->>Bob: How about you?
    Bob-->>John: Jolly good!

These are taken from the GitHub announcement: https://github.com/github/roadmap/issues/372

Don’t forget there’s a draft you can view in this demo.