complete changelog

CHANGELOG.md

@@ -4,4 +4,17 @@ 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](https://git.d3data.de/D3Public/klicktipp-php-client/compare/0.0.1...rel_1.x)
+## [Unreleased](https://git.d3data.de/D3Public/klicktipp-php-client/compare/1.0.0...rel_1.x)
+
+## [1.0.0](https://git.d3data.de/D3Public/klicktipp-php-client/releases/tag/1.0.0) - 2025-01-09
+### Added
+- support for the following Klicktipp endpoints
+  - account
+  - field
+  - subscriber
+  - subscription
+  - tag
+- entities for all endpoints
+- exchangable HTTP client (Guzzle)
+- fully tested
+- proper exception handling