update CHANGELOG

Author: Luke-zhang-04

CHANGELOG.md

@@ -5,6 +5,18 @@ 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).
 
+## [2.3.0] - 2021-05-27
+
+### Added
+
+-   feat(py): add config option processing.py.isEnabled
+-   feat(search): directly search processing reference if possible
+-   feat(search): add py.processing.org search
+
+### Changed
+
+-   fix: add extra restrictions to commands
+
 ## [2.2.0] - 2021-05-21
 
 ### Added