Silence Yellow box warning "requires main queue setup"
Silence Yellow box warning "requires main queue setup"

https://github.com/react-native-community/react-native-share/issues/330

Add:
````
+ (BOOL)requiresMainQueueSetup
{
    return YES;
}
````
EstebanFuentealba/react-native-share,EstebanFuentealba/react-native-share,EstebanFuentealba/react-native-share,EstebanFuentealba/react-native-share