Generation of diagram and flowchart from text in a similar manner as markdown

mermaid-js/mermaid: Generation of diagram and flowchart from text in a similar manner as markdown
Use mermaid shortcode.
{{< mermaid >}}
sequenceDiagram
  participant Alice
  participant Bob
  Alice->>John: Hello John, how are you?
  loop Healthcheck
    John->>John: Fight against hypochondria
  end
  Note right of John: Rational thoughts <br/>prevail!
  John-->>Alice: Great!
  John->>Bob: How about you?
  Bob-->>John: Jolly good!
{{< /mermaid >}}
sequenceDiagram
  participant Alice
  participant Bob
  Alice->>John: Hello John, how are you?
  loop Healthcheck
    John->>John: Fight against hypochondria
  end
  Note right of John: Rational thoughts 
prevail!
  John-->>Alice: Great!
  John->>Bob: How about you?
  Bob-->>John: Jolly good!
Keyboard Shortcuts
| Command | Function | 
|---|---|
| ? (Shift+/) | Bring up this help modal | 
| g+h | Go to Home | 
| g+p | Go to Posts | 
| g+e | Open Editor page on GitHub in a new tab | 
| g+s | Open Source page on GitHub in a new tab | 
| r | Reload page |