fix: Replace workspace:* protocol with explicit version in React package

- Change @claude-parser/core from workspace:* to 2.0.0 in packages/react/package.json
- Add root package-lock.json with proper npm workspace dependency resolution
- Enables CI/CD Pipeline to install dependencies correctly using npm

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: alicoding