Merge pull request #48 from m1guelpf/patch-1

Add npm install webpack -g

README.md

@@ -17,6 +17,7 @@
 You need node >= 6.x to run swip. To use swip you need to install its dependencies, the dependencies for the demos and build the client library. You can just run the commands below:
 
 ```bash
+npm install webpack -g
 npm install
 cd examples/golf
 npm install