def prepare
      FileUtils.rm_rf(output_dir)
      FileUtils.mkdir_p(output_dir)
      FileUtils.touch(output_dir_gitkeep_file)
      FileUtils.rm_rf(cache_dir)
      FileUtils.mkdir_p(cache_dir)
      FileUtils.touch(cache_dir_gitkeep_file)
    end
def prepare
      FileUtils.rm_rf(output_dir)
      FileUtils.mkdir_p(output_dir)
      FileUtils.touch(output_dir_gitkeep_file)
      FileUtils.rm_rf(cache_dir)
      FileUtils.mkdir_p(cache_dir)
      FileUtils.touch(cache_dir_gitkeep_file)
    end
@param [Project] project
   the project to create licenses for.


 Creates the required directories for licenses.

 @return [void]