Finalize CHANGELOG for v0.1.0 release

Author: scottHAT

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to the MCP Protocol Validator will be documented in this fil
 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]
+## [0.1.0] - 2023-07-15
 
 ### Added
 - Initial public release