Update example app setup options

It's useful to enable tracking of lifecycle events in the example app, because those are disabled by default and most people will want these enabled. Hopefully having them explicitly set in the example app will make it clear to people that it needs to be done manually.

Author: kevinpelgrims

example/index.js

@@ -9,10 +9,13 @@ import Analytics, { AnalyticsConstants } from 'react-native-analytics-segment-io
 
 class example extends Component {
   componentDidMount() {
-    Analytics.setup('add-segment-key-here', { [AnalyticsConstants.enableAdvertisingTracking]: true, [AnalyticsConstants.debug]: true })
-      .then(() => {
-        Analytics.track('test', {})
-      })
+    Analytics.setup('add-segment-key-here', {
+      [AnalyticsConstants.trackApplicationLifecycleEvents]: true,
+      [AnalyticsConstants.debug]: true
+    })
+    .then(() => {
+      Analytics.track('test', {})
+    })
   }
 
   render() {