updated readme

README.md

 # react-native-apple-healthkit
 A React Native bridge module for interacting with Apple HealthKit data. 
 
+![Alt text](https://devimages.apple.com.edgekey.net/assets/elements/icons/healthkit/healthkit-64x64.png "Apple HealthKit")
 ## Getting started
 
 ###  Installation (xcode)
@@ -10,5 +11,5 @@ A React Native bridge module for interacting with Apple HealthKit data.
 3. Go to `node_modules` ➜ `react-native-apple-healthkit` and add `RCTAppleHealthKit.xcodeproj`
 4. In XCode, in the project navigator, select your project. Add `libRCTAppleHealthKit.a` to your project's `Build Phases` ➜ `Link Binary With Libraries`
 5. Click `RCTAppleHealthKit.xcodeproj` in the project navigator and go the `Build Settings` tab. Make sure 'All' is toggled on (instead of 'Basic'). In the `Search Paths` section, look for `Header Search Paths` and make sure it contains both `$(SRCROOT)/../../react-native/React` and `$(SRCROOT)/../../../React` - mark both as `recursive`.
-5. Run your project (`Cmd+R`)
+5. Compile and have fun