[Docs RFC] Add new code quickstart guides

[billy-the-fish]

Describe change in content, appearance, or functionality

Migrate the following code guides into the doc:

• https://docs.google.com/document/d/1J1Keu4s2QMb9PfZWVKdhbKDW5PjT88CJuEAjzNVcDHU/edit#heading=h.7qbpion2zu71
• https://docs.google.com/document/d/1FgKZPWPtiZUT1YsTYNnnAX7e6eJ3AemK-dg5kqF5g28/edit

[Provide as much detail as you can]

Subject matter expert (SME)

@jonatas

[If known, who is a good person to ask about this topic]

Deadline

[When does this need to be addressed]

Any further info

[Anything else you want to add, or further links]

Contributing to documentation

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[billy-the-fish]

@jonatas , I'm sorting out a virtual machine so I can get going on this doc.