code: function publish(rootFolder) {
      // Read every local file and create a correct json file in .gas/${destination}
      ignore.addGitIgnore(rootFolder);
      ignore.addGasIgnore(rootFolder);
      const destination = constants.META_PUBLISH;
      return pack(rootFolder, destination);
  }
docs: Pack all seperate .js files into a raw google script file for publishing
  
  @param {String} rootFolder - relative path to the rootFolder of the project
  @returns {Promise} - A promise resolving no value