Added CHANGELOG section (#5065)

Author: rohitgr7

CHANGELOG.md

@@ -5,6 +5,42 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 
+## [unreleased.Features] - YYYY-MM-DD
+
+### Added
+
+
+### Changed
+
+
+### Deprecated
+
+
+### Removed
+
+
+### Fixed
+
+
+
+## [unreleased.BugFix] - YYYY-MM-DD
+
+### Added
+
+
+### Changed
+
+
+### Deprecated
+
+
+### Removed
+
+
+### Fixed
+
+
+
 ## [1.1.0] - 2020-12-09
 
 ### Added