Updated Readme

Author: maximkhatskevich

README.md

@@ -1,5 +1,9 @@
 # MKHTypedKey
 Generic key for explicit type safe access to values from any key-value storage.
 
-Inspired by "DefaultsKey" from this project:
-https://github.com/radex/SwiftyUserDefaults
+Inspired by "DefaultsKey" from this project: https://github.com/radex/SwiftyUserDefaults
+
+Swift 3
+=
+
+Starting from [version 2.0](https://github.com/maximkhatskevich/MKHTypedKey/releases/tag/2.0.0), this library supports Swift 3. For compatibility with Swift 2.2 and Swift 2.3 use [older version](https://github.com/maximkhatskevich/MKHTypedKey/releases/tag/1.0.0).