docs: add documentation example

[chenjiahan]

Summary

This PR adds a documentation example for building an Rspress site with Rstack. It includes starter docs content, Rstack doc/lint configuration, package scripts, TypeScript settings, and the workspace lockfile update.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 46c40375-9b37-497a-bb28-243ce0fb0472

📥 Commits

Reviewing files that changed from the base of the PR and between e8f235c and 52fb64f.

⛔ Files ignored due to path filters (1)

• pnpm-lock.yaml is excluded by !**/pnpm-lock.yaml

📒 Files selected for processing (1)

• examples/documentation/rstack.config.ts

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📝 Walkthrough

Walkthrough

This pull request adds a new example package at examples/documentation, providing a documentation site built with Rspress. It includes a README, package.json with build/dev/lint/preview scripts, tsconfig.json, and rstack.config.ts configuring the docs root, site title, and lint presets. Content files include a navigation config, API metadata and MDX pages (index and commands), and a home page markdown file with hero content and links.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title is concise and clearly summarizes the main change: adding a documentation example.
Description check	✅ Passed	The description matches the changeset and summarizes the new documentation example and supporting config files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chenjiahan/docs-documentation-example

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[chatgpt-codex-connector]

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Reviewed commit: 52fb64ff18

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