Add CHANGELOG.md

Author: rikhuijzer

.github/workflows/release.yml

@@ -65,3 +65,5 @@ jobs:
         with:
           fail_on_unmatched_files: true
           files: ${{ steps.release.outputs.dst }}
+          body: |
+            Notable changes since the last release are documented in the [CHANGELOG.md](https://github.com/rikhuijzer/trf/blob/main/CHANGELOG.md) file.

CHANGELOG.md

@@ -0,0 +1,12 @@
+# 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).
+
+## [1.0.0] - 2025-02-14
+
+Initial release.
+
+[1.0.0]: https://github.com/rikhuijzer/trf/releases/tag/v1.0.0