feat: vg utility init

[OEvgeny]

Fixes #

Changelog Entry

(no changelog entry for the internal infra change)

Description

This is the initial work for the new vg a.k.a Vibe-Grep internal tool. The tool is dedicated for AST-driven source code processing, and distributed code analysis.

Design

Refer to the provided documentation for more information.

Specific Changes

• Added the new private package: @msinternal/vibe-grep
• Migrated and improved dts and css checks.

---

• I have added tests and executed them locally
• I have updated CHANGELOG.md
• I have updated documentation

Review Checklist

This section is for contributors to review your work.

• Accessibility reviewed (tab order, content readability, alt text, color contrast)
• Browser and platform compatibilities reviewed
• CSS styles reviewed (minimal rules, no z-index)
• Documents reviewed (docs, samples, live demo)
• Internationalization reviewed (strings, unit formatting)
• package.json and package-lock.json reviewed
• Security reviewed (no data URIs, check for nonce leak)
• Tests reviewed (coverage, legitimacy)

[OEvgeny]

Example output if no severity provided (great for debug rules):