Support mermaid syntax and Gantt

[lauer3912]

Thanks Jean-Philippe Hamon!

Hi Romany,

I’m looking for Markdown App on Mac. So I see on Github and in the Apple Store your App.
You speek about Diagram support and Tex Expression is for me
a critical point for the App.

Is MarkdownD could support mermaid syntax ?
Gantt ?
Best Regards.

[lauer3912]

http://knsv.github.io/mermaid/#mermaid