I might be the last person to find out considering the amount of stars it has, but there's a simple way to insert flowcharts into markdown files using markdown-like syntax https://mermaid.js.org/ It works out of the box with GitHub, Azure DevOps etc.

We are using it in our docs already 🙂

it’s wonderful though

Ok now we need markdown for PPT

fun fact the verrrrryyyyyyy verrrrryyyy first version of Kedro Viz experimented with it, because it was better than graphviz but it didn’t scale very well

Graphviz is very low level - you have

pydot

and something like this https://github.com/fastai/fastdot , a bit like you do airflow DAG

a >> b

sure but this was what 2017?

markdown for PPT

not markdown but: https://quarto.org/docs/presentations/powerpoint.html