Updated changelog

Author: alelievr

CHANGELOG.md

@@ -4,7 +4,10 @@ All notable changes to this package will be documented in this file.
 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).
 
-## [1.2.1]
+## [1.3.0]
+
+### Added
+- Added a callback on the BaseGraph class to know when the asset is deleted on the disk.
 
 ### Fixed
 - Fixed relay node not applying custom conversions when needed