PLUG-96: Add changelog file

CHANGELOG.md

@@ -0,0 +1,19 @@
+# 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).
+
+## [v1.0.7] - 2024-03-14
+
+### Fixed
+
+- Payment totals not being rounded up, occasionally leading to a 1p difference
+
+## [v1.0.6] - 2023-09-13
+
+### Changed:
+
+- Wait for payment status updates on customer checkout
+- Admin panel improvements and fixes