Add npm script for website deploy

package.json

@@ -19,6 +19,7 @@
     "watch:js": "nodemon --watch src -e js --ignore src/scss -x \"npm run build:lib\"",
     "website:build": "echo \"--> Building site..\" && cd website && node update.js && ./node_modules/.bin/hexo generate",
     "website:install": "echo \"--> Installing dependencies\" && cd website && npm install",
+    "website:deploy": "./bin/website-deploy",
     "website:preview": "npm run website:build && cd website && ./node_modules/.bin/hexo server --debug"
   },
   "repository": {