docs(alfio): sync template standards

[mberlofa]

Summary

• register alfio in the site sync playground registry
• keep the playground/site sync gate aligned with the chart validation PR

Validation

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

Chart PR: helmforgedev/charts#643
Issue: helmforgedev/charts#633

Summary by CodeRabbit

• New Features
  • Expanded the playground’s sync/config workflow to include an additional chart, improving what appears in the filtered playground list.

[coderabbitai]

📝 Walkthrough

Walkthrough

The siteSyncPlaygroundConfigs mapping in src/pages/playground.astro was extended with an alfio entry pointing to src/data/playground-configs.ts, changing which charts are included in the playground’s filtered list.

Changes

Playground Config Update

Layer / File(s)	Summary
Add alfio to sync configs src/pages/playground.astro	Adds an alfio entry to siteSyncPlaygroundConfigs, mapping it to src/data/playground-configs.ts.

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

Possibly related PRs

• helmforgedev/site#322: Also extends src/pages/playground.astro by adding another chart slug to siteSyncPlaygroundConfigs.
• helmforgedev/site#330: Also updates siteSyncPlaygroundConfigs in src/pages/playground.astro to register an additional chart.

Related Issues: None specified

Suggested labels: None specified

Suggested reviewers: None specified

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
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.
Title check	✅ Passed	The title matches the PR’s sync-related registry update, though it is broader than the specific alfio change.
Description check	✅ Passed	The description covers the summary, validation, and related issue, but it should more closely follow the template headings.

✨ 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 docs/alfio-template-standards-sync

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