sp-dev-fx-webparts/tutorials/tutorial-getting-started/helloworld-webpart/.yo-rc.json

{
  "@microsoft/generator-sharepoint": {
    "libraryName": "helloworld-webpart",
    "framework": "none",
    "version": "1.0.0",
    "libraryId": "07e47f56-46a7-45ef-927c-210939ed441b"
  }
}