eta: 2023-03

It's not easy to get started and get deeper information on Testground,

Contributes to Milestone #1512

• Clarify this ticket

Notes to incorporate

• Port the documentation removed fro https://github.com/testground/docs/pull/21/files (some things like composition documentation looks useful).
• EPIC: implement Javascript & Browser support in Testground #1386 (comment)
• docs site: quick start - parameters and test case outdated code #1447 (comment)
• Roadmap
  • Updated documentation infrastructure
  • Quickstart guides
  • Updated examples which are tested in CI
  • New features & parameters, etc.
  • guides for most helpful use cases and features
  • composition templating, etc.

Workflow

• Make sure the documentation version default to the latest edge release (because that's our current default),
• Triage the docs-related issues https://github.com/testground/testground/issues?q=is%3Aissue+is%3Aopen+docs
• Triage and review the docs PR https://github.com/testground/docs/pulls

Getting Started Issues

• docs site: the quickstart example does not work out of the box #1424

Going Further Issues

• docs site: missing references of docker:generic builder #1519
• Document the manifest file #340
• Document composition templatings
  • env variables
  • general go template advice (for loops, etc)
  • resources files