docs: update CHANGELOG for version 0.30.0

Author: fpodschwadek

CHANGELOG.md

@@ -5,6 +5,25 @@ 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).
 
+## [0.30.0] - 2026-02-18
+
+Major refactoring; away from controller-based request/response handling and
+TypoScript configuration to middleware-based request/response handling and YAML site config configuration.
+
+### Added
+
+- Middleware for endpoint handling added
+- Extension configuration added to YAML site configuration
+
+### Fixed
+
+- Compatibility of pagination to simple list requests secured by requiring separate schema configurations for each
+
+### Removed
+
+- Endpointcontroller removed
+- TypoScript configuration removed
+
 ## [0.20.0] - 2026-02-17
 
 ### Added