class_docstr: Implementation for subcmd `towhee init`.
  Create an Operator in towhee hub.
code: def install(subparsers):
      subparsers.add_parser(
          "init",
          parents=[parser],
          help="Init operator and generate template file.",
      )
  
file_path: towhee/towhee/command/initialize.py
imports: import shutil
  import argparse
  from pathlib import Path
  from towhee.hub.repo_manager import REPO_TEMPLATE
  from towhee.hub.operator_manager import OperatorManager
  from towhee.utils.repo_normalize import RepoNormalize
label_desc: Use image node_id 5 for calling the InitCommand obj's underlying member method code with example usage: obj.install(subparsers) without return types