Update author email to reflect new domain in README.md

Author: wikiselev

README.md

@@ -240,7 +240,7 @@ This project is licensed under the MIT License - see the [LICENSE](LICENSE) file
 ## Author
 
 **Vladimir Kiselev**  
-Email: vlad.kiselev@alethio.com
+Email: vlad.kiselev@alethiotx.com
 
 ## Links