Update CHANGELOG.md

Author: Xing Han Lu

docs/CHANGELOG.md

@@ -5,6 +5,14 @@ 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).
 
 ## [Unreleased]
+
+## [0.0.7] - 2021-04-06
+
+### Added
+
+* Adding picking capabilities
+* Adding CubeAxes on GeometryRepresentation
+
 ### Fixed
 * fix bug when using cell data with `to_mesh_state`