lib/plugins/deploy/deploy.js/Deploy/track
class Deploy:  track() {
    const sls = this.serverless;
    let serviceInfo = {};
    if (sls && sls.service && sls.service.provider && sls.service.provider.name) {
      serviceInfo = {
        provider: sls.service.provider.name,
        runtime: sls.service.provider.runtime,
      };
    }
    userStats.track('service_deployed', {
      data: serviceInfo,
    });
    return BbPromise.resolve();
  }