Update CHANGELOG.md

Author: achamayou

Diff for: CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## Unreleased
+
+## [0.14.1]
 ### Added
 - `/node/memory` endpoint exposing the maximum configured heap size, peak and current used sizes.