Commit screenshot and readme

README.md

@@ -1,2 +1,46 @@
 # react-native-device-motion
 iOS device motion wrapper for React Native.
+
+Uses iOS CMMotionManager to provide device motion updates like roll, pitch, yaw and much more to your React Native app.
+
+## Screenshot
+
+![Screenshot of the example app](https://github.com/paramaggarwal/react-native-device-motion/raw/master/Screenshot.png)
+
+## Usage
+
+```javascript
+// 60fps updates
+DeviceMotion.startDeviceMotionUpdates(1000/60, (data) => {
+  console.log('Raw motion data: ', data);
+});
+
+// when done,
+DeviceMotion.stopDeviceMotionUpdates();
+```
+
+## Properties
+
+* `startDeviceMotionUpdates`: Pass an interval in `ms` and a callback to call with data.
+* `stopDeviceMotionUpdates`: Call to stop listening for events.
+
+## Installation
+
+Use your preferred method of including the library in your app. 
+
+## Example
+Try the included example:
+
+```sh
+git clone [email protected]:paramaggarwal/react-native-device-motion.git
+npm install
+open iOS/RNTDeviceMotion.xcodeproj
+```
+
+Then `Cmd+R` to start the React Packager, build and run the project in the simulator.
+
+## Author
+Param Aggarwal ([email protected])
+
+## License
+MIT License