更新 package.json

package.json

@@ -4,7 +4,8 @@
   "private": true,
   "scripts": {
     "start": "node ./bin/www",
-    "test": "mocha"
+    "test": "mocha",
+    "build": "node build/build.js"
   },
   "dependencies": {
     "cookie-parser": "~1.4.3",