code: def init_appbuilder_links(app):
      """Add links to the navbar."""
      appbuilder = app.appbuilder
  
      appbuilder.add_link(name="DAGs", href="Airflow.index")
      appbuilder.menu.menu.insert(
          0, appbuilder.menu.menu.pop()
      )  # Place in the first menu slot
      appbuilder.add_link(
          name="Cluster Activity", href="Airflow.cluster_activity"
      )
      appbuilder.menu.menu.insert(
          1, appbuilder.menu.menu.pop()
      )  # Place in the second menu slot
      appbuilder.add_link(name="Datasets", href="Airflow.datasets")
      appbuilder.menu.menu.insert(
          2, appbuilder.menu.menu.pop()
      )  # Place in the third menu slot
  
      # Docs links
      appbuilder.add_link(
          name=RESOURCE_DOCS,
          label="Documentation",
          href=get_docs_url(),
          category=RESOURCE_DOCS_MENU,
      )
      appbuilder.add_link(
          name=RESOURCE_DOCS,
          label="Airflow Website",
          href="https://airflow.apache.org",
          category=RESOURCE_DOCS_MENU,
      )
      appbuilder.add_link(
          name=RESOURCE_DOCS,
          label="GitHub Repo",
          href="https://github.com/apache/airflow",
          category=RESOURCE_DOCS_MENU,
      )
  
      if conf.getboolean(
          "webserver", "enable_swagger_ui", fallback=True
      ):
          appbuilder.add_link(
              name=RESOURCE_DOCS,
              label="REST API Reference (Swagger UI)",
              href="/api/v1./api/v1_swagger_ui_index",
              category=RESOURCE_DOCS_MENU,
          )
      appbuilder.add_link(
          name=RESOURCE_DOCS,
          label="REST API Reference (Redoc)",
          href="RedocView.redoc",
          category=RESOURCE_DOCS_MENU,
      )
  
imports: from __future__ import annotations
  from airflow.configuration import conf
  from airflow.security.permissions import RESOURCE_DOCS, RESOURCE_DOCS_MENU
  from airflow.utils.docs import get_docs_url
label_desc: Use image node_id 1 for calling a global function with example usage: init_appbuilder_links(app) without return types