npm install -s jquery 安裝好jQuery為什么package.json文件里沒顯示該依賴??？{  "name": "simple-app-demo",  "version": "1.0.0",  "description": "node demo",  "main": "index.js",  "scripts": {    "build": "webpack app.js bundle.js",    "test": "echo \"Error: no test specified\" && exit 1"  },  "keywords": [],  "author": "Hanger",  "license": "ISC"}