chore: add type module to package.json in examples

[Timeless0911]

Summary

Add "type": "module" to package.json in examples. This makes native loader load configuration files without warning.

Related Links

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

[Copilot]

Pull Request Overview

This PR adds "type": "module" to package.json files across multiple example packages, standardizing them to use ES modules as the default module system. All example packages in the repository now explicitly declare their module type.

• Adds "type": "module" field to 8 example packages
• Ensures consistency across all example packages that already had this field
• Aligns package configuration with modern Node.js and TypeScript practices

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
examples/react-component-umd/package.json	Added module type declaration to UMD React component example
examples/react-component-bundle/package.json	Added module type declaration to bundled React component example
examples/react-component-bundle-false/package.json	Added module type declaration to bundleless React component example
examples/preact-component-bundle-false/package.json	Added module type declaration to bundleless Preact component example
examples/module-federation/mf-remote/package.json	Added module type declaration to module federation remote example
examples/module-federation/mf-react-component/package.json	Added module type declaration to module federation React component example
examples/module-federation/mf-host/package.json	Added module type declaration to module federation host example
examples/express-plugin/package.json	Added module type declaration to Express plugin example

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