function Add(directory, dirWhereSaved){
  return fromNullable(directory)
    .map(() =>
         exist(directory)
         .and(createATemplate(directory, dirWhereSaved))
         .and(cp(directory)))
    .getOrElse(rejected(`You need to pass the path as a parameter`))
}
	function Add(directory, dirWhereSaved){
	return fromNullable(directory)
	.map(() =>
	exist(directory)
	.and(createATemplate(directory, dirWhereSaved))
	.and(cp(directory)))
	.getOrElse(rejected(`You need to pass the path as a parameter`))
	}