chore(circleci): add ability to skip publishing to npm
chore(circleci): add ability to skip publishing to npm

aimeex3/spark-js-sdk,adamweeks/spark-js-sdk,mwegman/spark-js-sdk,aimeex3/spark-js-sdk,adamweeks/spark-js-sdk,adamweeks/spark-js-sdk,mwegman/spark-js-sdk,aimeex3/spark-js-sdk,mwegman/spark-js-sdk