Update ChangeLog

Author: vitalijr2

changelog.md

@@ -4,11 +4,12 @@ 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).
 
-## [Unreleased]
+## 2.0.0 - 2022-08-01
 ### Added
 - Support Markers
 - Update dependencies
 - Update javadocs and site
+- Multi-level and multi-marker configuration
 
 ## 1.1.0 - 2022-06-29
 ### Added