We start with the mkplugin script and attempt to write a plugin in 5 minutes while screen sharing. gist 
We've published this work as source. github
David says you have to listen to this *awesome* podcast. 379402637
wiki-plugin-soundcloud
I wasn't counting but I think this took 30 minutes. I'll make some excuses now that you are welcome to ignore.
Everything was slow. Zoom screen sharing was consuming most of my cpu.
Everything was crowded. Zoom always open windows covered up most of my buttons.
I made a simple mistake looking for a string of digits in the markup. My colleagues on Zoom eventually noticed this mistake. After we figured out how to bring up the chrome debugger.