add changelog and 0.0.2 info. backfilled with 0.0.1 release info

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/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [0.0.2] - 2023-06-26
+
+### Added
+
+- Support for cluster volume types (#4). See docker 
+  [cluster volumes](https://github.com/moby/moby/blob/master/docs/cluster_volumes.md)
+  documentation for additional information. Thanks @TheSilkky for suggesting
+  this addition!
+
+## [0.0.1] - 2023-05-16
+
+### Added
+
+- Initial release of `docker deployx`, a
+  [Compose-Spec](https://compose-spec.io/) Compliant `docker stack deploy`
+  Replacement