Add build-phet-io-api/ to .gitignore, see https://github.com/phetsims/phet-io/issues/1672
Add build-phet-io-api/ to .gitignore, see https://github.com/phetsims/phet-io/issues/1672

phetsims/phetcommon,phetsims/phetcommon,phetsims/phetcommon