Update changelog

Author: adrien2p

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project 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).
 
+## [2.1.0] - 2018-10-24
+
+Refactor module
+Remove provider
+Add core directory (handler/scanner)
+
 ## [2.0.0] - 2018-06-20
 
 Update library to be used with nestjs V5