Add changelog

Author: zetter-rpf

CHANGELOG.md

@@ -4,6 +4,12 @@ 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]
+
+### Changed
+
+- Add sample projects to code editor test page  (#1294)
+
 ## [0.34.3] - 2026-01-19
 
 ### Changed