docs: create CHANGELOG

Signed-off-by: Calum Murray <cmurray@redhat.com>

Author: Cali0707

CHANGELOG.md

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+# Changelog
+
+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).
+
+## [Unreleased]
+
+## [0.0.1] - 2025-01-20
+
+### Added
+
+- Initial release of gevals-kubernetes-extension
+- MCP server implementation for Kubernetes resource management
+- Support for creating, deleting, and listing Kubernetes resources
+- Wait functionality for resource readiness
+- Integration with gevals evaluation framework