Update CHANGELOG.md

Author: ionite34

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.0.0] - 2024-10-08
+### Changed
+- Updated documentation.
+
 ## [1.0.0-pre.2] - 2024-10-08
 ### Fixed
 - Fixed IPatreonApi.GetIdentity missing Property attribute value error