add missing dep

Author: dignifiedquire

examples/browser-add/package.json

@@ -14,6 +14,7 @@
     "http-server": "^0.9.0",
     "ipfs-api": "^6.0.3",
     "json-loader": "^0.5.4",
+    "transform-loader": "^0.2.3",
     "webpack": "^2.1.0-beta.20"
   }
 }