fix(stream): write changelog

Author: Tanguylo

CHANGELOG.md

@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add reference_path to all Primitive / Elementary drawing Objects
 - Remove data attr from class Arc in Python
 - Light improvement of class Arc in Python
+- Html stream method
 
 ## [0.21.0]
 ### Add