fix(package): exclude test files and examples from published package

[cchanxzy]

Trim published npm package files

Summary

• Tighten the files field in package.json to exclude test files and the examples app from the published package

Why

The previous src/**/* glob was including everything under src/ — test files, snapshots, and the examples app — none of which are useful to consumers. This unnecessarily inflated the package.

Result

	Before	After
Unpacked size	274 kB	167 kB
Total files	78	42

What's included

• dist/**/* — ESM/CJS bundles, source maps, and type declarations
• src/components/**/*.ts / *.tsx — component source files (useful for source map debugging)
• src/index.ts — public entry point
• Tests, snapshots, and src/examples/ are excluded

[github-actions]

🎉 This PR is included in version 4.0.5 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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