Updated asset generation

package.json

@@ -4,7 +4,8 @@
   "description": "This is a websearch frontend for a quassel database.",
   "scripts": {
     "pug": "node_modules/pug-cli/index.js --basedir . **/index.pug index.pug",
-    "sass": "node_modules/node-sass/bin/node-sass --style compressed assets/css/ -o assets/css/"
+    "sass": "node_modules/node-sass/bin/node-sass --style compressed assets/css/ -o assets/css/",
+    "build": "npm run sass && npm run pug"
   },
   "author": "Janne Koschinski",
   "license": "GPL",