Add the link to the Russian version of the book

Author: ellysh

README.md

@@ -17,4 +17,5 @@ After reading this book, you will learn how to use Bash. Its features will help
 ## Links
 
 * [Read or download the book from Leanpub](https://leanpub.com/bash-programming-from-scratch)
+* [Russian version of the book](https://leanpub.com/programming-from-scratch)
 * [Contact the author](mailto:[email protected])