docs: function(inputFile, outputFile, content) {
                  return Promise()
                  .then(function() {
                      var outputFilePath = PathUtils.resolveInRoot(outputFolder, outputFile);
  
                      return fs.ensureFile(outputFilePath)
                      .then(function() {
                          return fs.copy(inputFile, outputFilePath);
                      });
                  });
              }