code: def copy_assets(self, path='assets'):
  		
  		path = os.path.join(self.root_path, path)
  		for root, _, files in os.walk(path):
  			for file in files:
  				fullpath = os.path.join(root, file)
  				relpath = os.path.relpath(fullpath, path)
  				copy_to = os.path.join(self._get_dist_path(relpath, directory='assets'))
  				LOG.debug('copying %r to %r', fullpath, copy_to)
  				shutil.copyfile(fullpath, copy_to)
docs: Copy assets into the destination directory.