Previous discussion about github adding support for this in markdown yesterday:<p><a href="https://news.ycombinator.com/item?id=30334338" rel="nofollow">https://news.ycombinator.com/item?id=30334338</a>
I've been using mermaid in my MD notes with <a href="https://obsidian.md/" rel="nofollow">https://obsidian.md/</a> for the last few months. Pretty helpful.