D2-Live
https://github.com/oberwager/d2-live
D2:playground
https://d2.lucas.tools/?script=HMvBjYMwEAXQO1X8BtgCOGyaiJQLUjTGH3si4yH2IET3UVLA61l2Tuh8H6wLn1ElNdkGKboQ4z-ChQmPLI5o7FDHRqlzdUMgTpYySnwd3RlvQ7DwNT884Z4JCVrUL7hhL3IhNI2JsDbXZGWFdOgKz7xwshFJNva_4RMAAP__&#.svg