code: def run(self):
          
          try:
              self.hide_files = get_hide_files(self.workflow)
          except KeyError:
              self.log.info("Skipping hide files: no files to hide")
              return
  
          self._populate_start_file_lines()
          self._populate_end_file_lines()
  
          self.dfp = df_parser(self.workflow.builder.df_path)
          stages = self._find_stages()
  
          # For each stage, wrap it with the extra lines we want.
          # Work backwards to preserve line numbers.
          for stage in reversed(stages):
              self._update_dockerfile(**stage)
docs: run the plugin