fix variable format in docs

[lindsayzhng]

Documentation changes

Fix variable format to be a drop down and have example in examples section

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For Reviewers

When reviewing documentation PRs, please consider:

✅ Technical accuracy

• Code examples work as written
• Commands and configurations are correct
• Links resolve to the right destinations
• Prerequisites and requirements are accurate

✅ Clarity and completeness

• Instructions are clear and easy to follow
• Steps are in logical order
• Nothing important is missing
• Examples help illustrate the concepts

✅ User experience

• A new user could follow these docs successfully
• Common gotchas or edge cases are addressed
• Error messages or troubleshooting guidance is helpful

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Note

Low Risk
Low risk documentation-only change that updates the docs.json reference and examples; no runtime code or behavior is modified.

Overview
Updates organize/settings.mdx to reformat the variables setting documentation into an Expandable reference entry and clarifies that all referenced variables must be defined (build fails otherwise).

Adds variables blocks (e.g., version, api-url) to the docs.json examples so the documented syntax is demonstrated in the examples section.

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[ethanpalm]

lgtm!