docs(cloudflared): sync playground coverage

[mberlofa]

Summary

• add cloudflared to the Helm values playground eligibility map required by the chart sync check

Validation

• make site-sync-check CHART=cloudflared
• npm run lint
• npm run format:check
• npm run build
• make release-check REPO=site
• make attribution-check REPO=site

Chart PR: helmforgedev/charts#653
Issue: helmforgedev/charts#633

Summary by CodeRabbit

• New Features
  • Added support for the cloudflared chart in the playground chart list, making it available alongside other supported charts.

[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: 39250ff6-5638-434f-918e-416137b9a1cf

📥 Commits

Reviewing files that changed from the base of the PR and between 618591a and d9e4027.

📒 Files selected for processing (1)

• src/pages/playground.astro

🚧 Files skipped from review as they are similar to previous changes (1)

• src/pages/playground.astro

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📝 Walkthrough

Walkthrough

The change adds the cloudflared chart slug to siteSyncPlaygroundConfigs in src/pages/playground.astro, expanding the set of site-synced slugs used when building playgroundCharts.

Changes

Playground Config Allowlist Update

Layer / File(s)	Summary
Extend site-sync config allowlist src/pages/playground.astro	Adds cloudflared to siteSyncPlaygroundConfigs, expanding the chart slugs included in playgroundCharts.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• helmforgedev/site#322: Also updates src/pages/playground.astro by adding a chart slug to the same allowlist used by playgroundCharts.
• helmforgedev/site#330: Also extends siteSyncPlaygroundConfigs in src/pages/playground.astro with another slug mapped to src/data/playground-configs.ts.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly reflects the cloudflared playground coverage sync change and matches the main code update.
Description check	✅ Passed	The description includes a clear summary and validation steps; it is mostly complete despite not using the template's checkbox format.
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 unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/cloudflared-template-standards-sync

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