VC_addNewList.swift

  @objc func addNewList() {
    let storyboard = UIStoryboard(name: "CreateList", bundle: nil)
    guard let createListController = storyboard.instantiateViewController(withIdentifier: "CreateListController") as? CreateListController else { return }
    createListController.delegate = self // delegate connected
    let vc = UINavigationController(rootViewController: createListController)
    present(vc, animated: true, completion: nil)
  }