docs: add Deploy on Hostinger button

[agneliutkiene]

This PR adds an optional Deploy on Hostinger badge to the README (docs-only change).

• Only README is changed
• No code, runtime, or build behavior changes
• The destination URL can be maintainer-controlled (standard Hostinger page or your own partner/affiliate link)

If this is not aligned with project policy, I can close the PR.

[changeset-bot]

⚠️ No Changeset found

Latest commit: c867d1f

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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Project	Deployment	Actions	Updated (UTC)
create-t3-app	Ready	Preview, Comment	Feb 20, 2026 2:14pm