add changelog

Author: michalsn

CHANGELOG.md

@@ -0,0 +1,12 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+## [Unreleased]
+
+## [1.0.0-beta.2](https://github.com/michalsn/codeigniter-htmx/compare/v1.0.0-beta...v1.0.0-beta.2) - 2022-11-22
+
+### Changed
+- Stop including code responsible for showing Debug Toolbar for `htmx` requests.
+
+## [1.0.0-beta] - 2022-11-19
+First beta realease