Description

This PR adds the reference section to the docsite

• /reference/cli: Full toolbox --help output.
• /reference/FAQ:

It also:

• updates the CI tests to point to the new directory for sample testing
• updates the new paths in the release-please config
• updates DEVELOPER.md
• updated Gemini.md
• adds a production security warning to all the deploy-to pages about the allowed-hosts and allowed-origins flags

PR Checklist

Thank you for opening a Pull Request! Before submitting your PR, there are a
few things you can do to make sure it goes smoothly:

• Make sure you reviewed
  CONTRIBUTING.md
• Make sure to open an issue as a
  bug/issue
  before writing your code! That way we can discuss the change, evaluate
  designs, and agree on the general idea
• Ensure the tests and linter pass
• Code coverage does not decrease (if any source code was changed)
• Appropriate docs were updated (if necessary)
• Make sure to add ! if this involve a breaking change

🛠️ Fixes #<issue_number_goes_here>