docs: add Binder to T3 collection

[mhmadamrii]

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• I have followed every step in the contributing guide (updated 2022-10-06).
• The PR title follows the convention we established conventional-commit
• I performed a functional test on my final commit

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Changelog

Add Binder to T3 collection

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Project	Deployment	Preview	Comments	Updated (UTC)
create-t3-app	Ready	Preview	Comment	Oct 23, 2025 6:09am

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