Gooo tutorial example by asketeddy, prepared with OpenAI Codex assistance.

The two Gooo sources, inputs.json and portable gooo.workspace.json reproduce
the example in this project-affiliated contribution:
https://github.com/adambard/learnxinyminutes-docs/pull/5629

These tutorial files are distributed under Creative Commons
Attribution-ShareAlike 3.0 Unported (CC-BY-SA-3.0):
https://creativecommons.org/licenses/by-sa/3.0/
https://creativecommons.org/licenses/by-sa/3.0/legalcode

The tutorial contribution is pending independent review; this demo does not
imply endorsement by Learn X in Y Minutes. Other repository files retain
their stated licenses.