docs(appwrite): sync template standards

[mberlofa]

Summary

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

Validation

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

Chart PR: helmforgedev/charts#645
Issue: helmforgedev/charts#633

Summary by CodeRabbit

• Bug Fixes
  • Updated playground chart eligibility for site-synced configurations so the correct set of charts is considered for sync.
  • This ensures the appwrite playground charts receive the expected site-synced settings, improving which charts render with the right configuration.

[coderabbitai]

📝 Walkthrough

Walkthrough

appwrite was added to siteSyncPlaygroundConfigs in src/pages/playground.astro, which changes the set of chart slugs included in the site-synced playground config list.

Changes

Playground Config Update

Layer / File(s)	Summary
Add appwrite to siteSyncPlaygroundConfigs src/pages/playground.astro	Adds an appwrite entry pointing to src/data/playground-configs.ts, extending the chart slugs treated as site-synced for inclusion filtering.

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

Possibly related PRs

• helmforgedev/site#322: Also updates src/pages/playground.astro by adding a new slug to siteSyncPlaygroundConfigs.
• helmforgedev/site#330: Also extends the siteSyncPlaygroundConfigs registry in src/pages/playground.astro with another chart slug.

Related issues: None specified.

Suggested labels: None specified.

Suggested reviewers: None specified.

Poem:
A rabbit hops through config trees,
adding appwrite with graceful ease.
One line, one map, one slug anew,
synced charts now number one more too.

🚥 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 is related to the PR, but it overemphasizes docs/template standards instead of the site-sync playground registry change.
Description check	✅ Passed	The description covers the summary, validation steps, and related issue/chart PR, which is mostly complete despite not matching the template exactly.

✨ 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/appwrite-template-standards-sync

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