Have you tried mermaid? I guess it really depends on the editor and viewer you are using. I've used this mostly with vscode and rendering from gitlab/hub, http

Have you tried mermaid? I guess it really depends on the editor and viewer you are using. I've used this mostly with vscode and rendering from gitlab/hub, https://marketplace.visualstudio.com/items?itemName=bierner.markdown-mermaid https://marketplace.visualstudio.com/items?itemName=bierner.....