Update CHANGELOG.md

Author: vivekanand999

CHANGELOG.md

@@ -2,8 +2,11 @@
 
 All notable changes to the "md2urdu" extension will be documented in this file.
 
-## md2urdu [1.1.0] (Currently Working) (Unreleased)
+## md2urdu [1.2.0] (Unreleased) (Currently Working)
+
+## md2urdu [1.1.0] (Released)
 - Added jest test cases unit/integration added by [@viveksharmaui](https://github.com/viveksharmaui).
+- Added selected text conversion added by [@viveksharmaui](https://github.com/viveksharmaui).
 
 ## md2urdu [1.0.0] - 2019-09-01 (Released) 
 ### Added