Add center-and-spread to responsible_dev.json, see https://github.com/phetsims/center-and-spread/issues/2
Add center-and-spread to responsible_dev.json, see https://github.com/phetsims/center-and-spread/issues/2

phetsims/phet-info,phetsims/phet-info,phetsims/phet-info,phetsims/phet-info