Added platform querystring
Added platform querystring

React native was failing with the following error `Error validating module options: child "platform" fails because ["platform" is required]`
stephenotalora/StopWatch,amarcher/dooler,stephenotalora/NativeApp,water-alchemists/drops,Overload119/RapPad-Mobile-React-Native,jhabdas/react-native-webpack-starter-kit,stephenotalora/StopWatch,Overload119/RapPad-Mobile-React-Native,water-alchemists/drops,amarcher/dooler,stephenotalora/NativeApp,jhabdas/react-native-webpack-starter-kit