Adds preview image to the README

Author: nacho4d

README.md

@@ -4,12 +4,16 @@ This sample is based on [this][1] tutorial which shows the usage of `CIDetector`
 
 The aim of this sample is to show the right way to convert coordinates (CoreImage → UIKit) which is not a big deal but the former example does it incorrectly and it seems to have gained some popularity already.
 
-This my one (or one more) cent to the dev community … blah blah blah LOL.
+This my (another) one cent to the dev community … blah blah blah.
 
 Hope it helps.
 
 
+Oh!, here is a preview:
+![Preview][2]
 
 
 
- [1]:http://maniacdev.com/2011/11/tutorial-easy-face-detection-with-core-image-in-ios-5/
+
+ [1]:http://maniacdev.com/2011/11/tutorial-easy-face-detection-with-core-image-in-ios-5/
+ [2]:https://github.com/nacho4d/FaceDetectionExample2/raw/master/Preview.png