Generate MyST with Jupyter and insert it into content programmatically

from blog Chris Holdgraf's blog, | ↗ original
While I've been [converting my blog to use the new MyST engine](./mystmd-with-the-blog.md), I discovered a useful MyST feature. It's not yet possible to [natively parse Jupyter Markdown outputs as MyST](https://github.com/jupyter-book/mystmd/issues/1026) but there's a workaround if you don't mind generating a temporary file. The trick is to...