docs: function _addPlatformsToProject(cordovaPlatforms, projectPath, cordova) {
      var promise = Q();
      cordovaPlatforms.forEach(function (platform) {
          if (!utilities.fileExistsSync(path.join(projectPath, 'platforms', platform))) {
              promise = promise.then(function () { return cordova.raw.platform('add', platform); });
          } else {
              console.log('Platform ' + platform + ' already added.');
          }
      });
  
      return promise;
  }