chore: ignore tsbuildinfo files

[coffee-the-dev]

Summary

• ignore TypeScript .tsbuildinfo files in git
• stop tracking the committed example tsbuildinfo cache artifact

Testing

• not applicable

[changeset-bot]

🦋 Changeset detected

Latest commit: f33cb9f

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

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Project	Deployment	Actions	Updated (UTC)
mpp-abstract-mpp-demo	Ready	Preview, Comment	Mar 25, 2026 11:11pm

[cursor]

PR Summary

Low Risk
Low risk housekeeping change that only affects which build cache artifacts are tracked by git and does not impact runtime behavior.

Overview
Adds *.tsbuildinfo to .gitignore so TypeScript incremental build cache files are no longer tracked.

Introduces an empty Changeset entry (.changeset/quiet-apples-rest.md) to record the change.

^{Written by Cursor Bugbot for commit f33cb9f. This will update automatically on new commits. Configure here.}