Bump version to 0.1.1

Fix check-version script: remove dist/cli.js check (runs before build)

Add npm publish safeguards: version check and pre-publish validation

Update README with npx usage and commands, add MIT LICENSE

Add package-lock.json to repository for CI/CD

Add CHANGELOG.md and update package.json to include it in files array

Add CI/CD workflow for npm publishing

Add minimal README

Initial commit