Drawio support
melon
https://github.com/xiguaxigua/docusaurus-plugin-drawio maybe this is what you want,just use drawio online app to edit your file in local or github repo,and it will display after edit
John Costello
I do this all the time on Github with svg exports. You can export as svg from draw.io and import as an image in markdown If you like to go further and get into the SVG to add event (click the ellipse) handling it can be rendered with JSX https://stackblitz.com/edit/react-4sg5pm?file=Test.js -