fix typo

Author: LucienLee

package.json

@@ -7,7 +7,7 @@
   "scripts": {
     "dev": "node build/dev-server.js",
     "build": "node build/build.js",
-    "deploy" "gh-pages -d dist"
+    "deploy": "gh-pages -d dist",
     "lint": "eslint --ext .js,.vue src"
   },
   "dependencies": {