Add RepeatingAnimationBuilder to the widget catalog

[loic-sharma]

⚠️ This PR should not land until the next stable release. The widget was added by flutter/flutter@1814874, which is currently in main but not yet in stable.

This adds RepeatingAnimationBuilder to the widget catalog. Preview:

See also:

• Issue: Add a RepeatedTweenAnimationBuilder API flutter#174011
• Pull request: Add a RepeatingAnimationBuilder API flutter#174014
• Docs: https://main-api.flutter.dev/flutter/widgets/RepeatingAnimationBuilder-class.html
• Example: https://dartpad.dev/?id=8c6208cd3bec5cb3024c8e862dd1f746&channel=main

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  of 80 characters or fewer.

[gemini-code-assist]

Summary of Changes

Hello @loic-sharma, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request integrates the RepeatingAnimationBuilder widget into the official Flutter widget catalog. This ensures that developers can easily find information about this new animation utility, including its description, categorization, and API documentation link, once it's part of a stable Flutter release.

Highlights

• New Widget Catalog Entry: The RepeatingAnimationBuilder widget has been added to the Flutter widget catalog, making it officially discoverable and documented.
• Release Timing: This pull request is intended to be merged only after the RepeatingAnimationBuilder widget itself, which was recently added to the main branch, becomes available in a stable Flutter release.

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[gemini-code-assist]

Code Review

This pull request adds the new RepeatingAnimationBuilder widget to the widget catalog. The change is straightforward and correctly places the new widget alphabetically. My only suggestion is to update the documentation link to point to the main-api.flutter.dev domain, consistent with other widgets that are not yet in a stable release. This will ensure the link is not broken for users browsing the catalog.

[gemini-code-assist]

The PR description mentions that this widget is not yet in a stable release and provides a link to the documentation on main-api.flutter.dev. To maintain consistency with other pre-release widgets in this catalog (like CarouselView), it would be better to use the main-api link here. The link can be updated to point to api.flutter.dev once the widget is part of a stable release.

  link: https://main-api.flutter.dev/flutter/widgets/RepeatingAnimationBuilder-class.html

[flutter-website-bot]

Visit the preview URL for this PR (updated for commit 58f4868):

https://flutter-docs-prod--pr12870-repeating-animation-builder-evmvoahe.web.app

[sfshaza2]

lgtm, but don't land until next stable release.