message: Add private: true to package.json
diff: @@ -42,6 +42,7 @@ const isNotExternal = (d: Document) => !_isInBowerRegex.test(d.url) && !_isInNpm
  function generatePackageJson(bowerJson: any, npmName: string, npmVersion?: string) {
  return {
  name: npmName,
  + private: true,
  flat: true,
  version: npmVersion || bowerJson.version,
  description: bowerJson.description,
  