def static_files
      source = File.dirname(ENGINE.assets_path)
      asset_files.map do |file|
        dir = File.dirname(file)
        file_name = File.basename(file)
        Jekyll::StaticFile.new @site, source, dir, file_name
      end
    end
def static_files
      source = File.dirname(ENGINE.assets_path)
      asset_files.map do |file|
        dir = File.dirname(file)
        file_name = File.basename(file)
        Jekyll::StaticFile.new @site, source, dir, file_name
      end
    end
This method searches for folders and files in the assets root directory.
 After searching all files stores in an array and then copying to
 the folder "_site".