docstr: Nested field mapping basic configuration
docstr_tok: ["Nested","field","mapping","basic","configuration"]
code: def nested_field():
      """Nested field mapping basic configuration"""
      return {"type": "nested", "include_in_root": True}
  
file_path: argilla/src/argilla/server/daos/backend/mappings/helpers.py
imports: from typing import Any, Dict, List
  from argilla.server.daos.backend.mappings.stopwords import english
  from argilla.server.settings import settings
label_desc: Use image node_id 5 for calling the mappings obj's underlying member method code with example usage: obj.nested_field() and returns: dict