Add bundle after build in prepublish script

Author: joepvl

package.json

@@ -12,7 +12,7 @@
     "bundle": "mkdir -p dist && npm run build:umd && npm run build:umd:min",
     "lint": "eslint src",
     "preversion": "npm run lint && npm test && npm run build && npm run bundle && git add dist/ && git commit -m 'Publish: build bower distribution'",
-    "prepublish": "npm run build",
+    "prepublish": "npm run build && npm run bundle",
     "test": "jest",
     "start": "webpack-dev-server --inline --content-base examples/"
   },