fix: update build script

Author: ph1p

example/package.json

@@ -7,7 +7,8 @@
     "docs": "../bin/vuepress-jsdoc.js --jsDocConfigPath ./jsdoc.json --source=./src --dist=./documentation --title=API --exclude=class.js --partials=./partials/*.hbs --readme=./README.md",
     "docs:dev": "npm run docs -- --watch",
     "dev": "npm run docs && vuepress dev documentation",
-    "build": "npm run docs && vuepress build documentation"
+    "build:local": "npm run docs && vuepress build documentation",
+    "build": "vuepress build documentation"
   },
   "keywords": [],
   "author": "",