code: def format_commands(self, ctx, formatter):
          
          rows = []
  
          all_cmds = self.list_all_commands(ctx)
          for cmd_name in sorted(all_cmds):
              cmd = all_cmds[cmd_name]
              help = cmd.short_help or ''
              rows.append((cmd_name, help))
  
          if rows:
              with formatter.section('Commands'):
                  formatter.write_dl(rows)
docs: Extra format methods for multi methods that adds all the commands
          after the options.
  
          Display custom help for all subcommands.