update

package.json

@@ -5,6 +5,7 @@
     "main": "book.js",
     "scripts": {
         "deploy": "git subtree push --prefix=_book origin gh-pages",
+        "push":"git add . && git commit -m update && git push origin master && npm run deploy",
         "test": "echo \"Error: no test specified\" && exit 1"
     },
     "author": "",