feat(markdown-preview): Migrate editor and renderer services to ESM

[hivanalejandro]

Description

Fixes b/253601199

Checklist

• I have followed guidelines from CONTRIBUTING.MD and Samples Style Guide
• Tests pass: npm test (see Testing)
• Lint pass: npm run lint (see Style)
• Please merge this PR for me once it is approved

[gemini-code-assist]

Hello @hivanalejandro, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

Summary of Changes

This pull request migrates the editor and renderer services to ESM (ECMAScript Modules) by adding the type: module field to the package.json files for both the editor and renderer directories. This change enables the use of modern JavaScript module syntax (import/export) within these services. The PR addresses the issue b/253601199.

Highlights

• Migration to ESM: The primary goal of this PR is to migrate the editor and renderer services to ESM.
• package.json modification: The package.json files in both the editor and renderer directories are updated to include type: module.

Changelog

• run/markdown-preview/editor/package.json
  • Added type: module to enable ESM support.
  • Ensured the file ends with a newline character.
• run/markdown-preview/renderer/package.json
  • Added type: module to enable ESM support.
  • Ensured the file ends with a newline character.

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ESM's the way,
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Code's future call.

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[gemini-code-assist]

Code Review

This pull request migrates the editor and renderer services to ESM by adding type: module to their respective package.json files. The changes are straightforward and seem correct. I have a few minor suggestions.

Merge Readiness

The pull request appears to be in good shape for merging. The changes are simple and directly address the stated goal of migrating the editor and renderer services to ESM. I am unable to directly approve this pull request, and recommend that others review and approve this code before merging.