code: def setup(app: Sphinx):
      """
      Sets the plugin up and returns configuration of the plugin.
  
      :param app: application.
      :return json description of the configuration that is needed by the plugin.
      """
      app.connect("config-inited", _create_init_py)
  
      return {
          "version": "builtin",
          "parallel_read_safe": True,
          "parallel_write_safe": True,
      }
  
imports: from __future__ import annotations
  import os
  from typing import TYPE_CHECKING
label_desc: Use image node_id 2 for calling a global function with example usage: setup(app) and returns: dict