update changelog

Author: alDuncanson

CHANGELOG.md

@@ -5,6 +5,13 @@ All notable changes to the "react-hooks-snippets" extension will be documented i
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.2.0] 0 2020-10-21
+
+### Removed
+- `prev` snippet
+
+### Changed
+- updated `urdh` snippet
 
 ## [1.1.7] - 2020-06-22