update CHANGELOG.md

CHANGELOG.md

@@ -4,6 +4,14 @@ 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).
 
+## [v1.0.0] - 2024-04-22
+
+### Added
+- Updated code of conduct and security policy.
+
+### Changed
+- Updated version to v1.0.0, making it the official stable version.
+
 ## [v0.0.1] - 2024-04-05
 
 ### Added
@@ -30,4 +38,4 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Issues and bugs that were present in the previous version have been addressed.
 
 ### Deprecated
-- Support for version 0.0.1.dev4 has been discontinued due to the significant changes in the project.
+- Support for version 0.0.1.dev4 has been discontinued due to the significant changes in the project.