Adds synced Release badge

Author: s4cha

README.md

@@ -6,7 +6,7 @@
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
 [![CocoaPods compatible](https://img.shields.io/badge/Cocoapods-compatible-4BC51D.svg?style=flat)](https://cocoapods.org/pods/Keyboard+LayoutGuide)
 [![License: MIT](http://img.shields.io/badge/license-MIT-lightgrey.svg?style=flat)](https://github.com/s4cha/Stevia/blob/master/LICENSE)
- [![Release version](https://img.shields.io/badge/release-1.1-blue.svg)]()
+[![GitHub tag](https://img.shields.io/github/release/freshos/KeyboardLayoutGuide.svg)](https://github.com/freshOS/KeyboardLayoutGuide/releases)
 
 
 - [x] No Subclassing / Protocol inheritance / obscure overrides