Expand on documentation about auditing (#34)

* Expand on documentaiotn about auditing

* Move example to wiki

README.md

@@ -97,8 +97,7 @@ index.auditer(/* Azure Function context */, {
 })
 ```
 
-See a fully implemented example in [this]() chaos event.
-> TODO: Add an example project for 'this'
+See a fully implemented example in [this](https://github.com/trstringer/azure-chaos-fn-webapp-startstop) chaos extension. To learn more read [here](https://github.com/Azure/platform-chaos/wiki/Auditing#example).
 
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