To run your app on iOS:
   cd C:\Users\kocic\test-react-native-cli\reactjk
   react-native run-ios
   - or -
   Open ios\reactjk.xcodeproj in Xcode
   Hit the Run button
To run your app on Android:
   cd C:\Users\kocic\test-react-native-cli\reactjk
   Have an Android emulator running (quickest way to get started), or a device connected
   react-native run-android
   
   C:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin
   node-gyp rebuild
   
   node-gyp configure build