我已经使用npm start启动了一个应用程序。现在我要停止服务器该如何实现？
"scripts": {
"clean": "rimraf app/**/*.js app/**/*.js.map","tsc": "tsc","tsc:w": "tsc -w","lite": "lite-server","prestart": "npm run clean","start": "tsc && concurrently \"tsc -w\" \"lite-server\" ","stop": "What should be here ?"
},这是我的包json吗？