docs: release version 0.2.0

Author: arxanas

CHANGELOG.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 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).
 
+## v0.2.0 - 2020-03-15
+
+Ported to Rust. No new features.
+
+* Performance for repeated calls to Git hooks is significantly improved. This can happen when rebasing large commit stacks.
+* The `git undo` UI has been changed to use a Rust-specific TUI library (`cursive`).
+
 ## v0.1.0 - 2020-12-18
 
 First beta release. Supports these commands: