add the possibility to install react-native-contacts-wrapper with cocoapods

RCTContactsWrapper.podspec

@@ -0,0 +1,18 @@
+require 'json'
+version = JSON.parse(File.read('package.json'))["version"]
+
+Pod::Spec.new do |s|
+
+  s.name           = "RCTContactsWrapper"
+  s.version        = version
+  s.summary        = "![alt tag](https://github.com/LynxITDigital/Screenshots/blob/master/RN%20Contacts%20Wrapper%20example.gif)."
+  s.homepage       = "https://github.com/LynxITDigital/react-native-contacts-wrapper"
+  s.license        = "MIT"
+  s.author         = "LynxIT Digital"
+  s.platform       = :ios, "8.0"
+  s.source         = { :git => "https://github.com/LynxITDigital/react-native-contacts-wrapper.git", :tag => "v#{s.version}" }
+  s.source_files   = 'RCTContactsWrapper/**/*.{h,m}'
+  s.preserve_paths = "**/*.js"
+  s.dependency 'React'
+
+end

README.md

@@ -72,6 +72,7 @@ Also add
 
 #### iOS
 
+##### Manual
 1. Open your xCode project
 2. Click project name in project navigator
 3. Select the main target in the left hand menu
@@ -82,7 +83,17 @@ Also add
 8. This will now appear in project explorer, drag in under the Libraries group.
 9. In same screen, click + again, you should now see the .a file for you project, Add this
 10. Clean and Rebuild your Xcode project
+##### With [CocoaPods](https://cocoapods.org/)
 
+Add the following to your `Podfile` and run `pod update`:
+
+```
+  pod 'RCTContactsWrapper', :path => '../node_modules/react-native-contacts-wrapper'
+```
+
+Edit `Info.plist` as described above. 
+
+If you are using `use_frameworks!` in your `Podfile` you instead need to dynamically load the icon font by doing `Icon.loadFont()` when boostrapping your application.
 
 ##API