docs: Document the known issues with the iOS Simulator (react-native-netinfo#43)

[ci skip]

Author: matt-oakes

.github/ISSUE_TEMPLATE/bug_report.md

@@ -4,6 +4,8 @@ about: Report a reproducible or regression bug.
 labels: 'bug'
 ---
 
+<!-- NOTE: The iOS Simulator has some known issues with report network state changes. Please DO NOT report iOS bugs unless you are seeing them on a real device. -->
+
 ## Environment
 <!-- Run `react-native info` in your terminal and paste its contents here. -->
 

README.md

@@ -192,6 +192,10 @@ NetInfo.isConnectionExpensive().then(isConnectionExpensive => {
 });
 ```
 
+## Known issues with the iOS simulator
+
+There is a [known](http://openradar.appspot.com/14585459) [issue](http://www.openradar.appspot.com/29913522) with the iOS Simulator which causes it to not receive network change notifications correctly when the host machine disconnects and then connects to Wifi. If you are having issues with iOS then please test on an actual device before reporting any bugs.
+
 ## Maintainers
 
 * [Matt Oakes](https://github.com/matt-oakes) - [Freelance React Native Developer](http://mattoakes.net)