docs: prepare changelog for v0.0.5

- add CHANGELOG.md for next build

- document changes since v0.0.4

- add compare links for Unreleased and v0.0.5

CHANGELOG.md

@@ -0,0 +1,28 @@
+# 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/).
+
+## [Unreleased]
+
+## [v0.0.5] - 2026-03-29
+
+### Changed
+
+- CI pipeline no longer includes the package step.
+
+### Added
+
+- Release process documentation in [docs/RELEASING.md](docs/RELEASING.md).
+
+### Maintenance
+
+- Applied project standards templates and repository housekeeping updates.
+
+## [v0.0.4] - 2026-03-29
+
+- Previous release.
+
+[Unreleased]: https://scm.yoorie.de/go-lib/micro/compare/v0.0.5...main
+[v0.0.5]: https://scm.yoorie.de/go-lib/micro/compare/v0.0.4...v0.0.5