Update CHANGELOG

Author: taylorotwell

CHANGELOG.md

@@ -1,6 +1,10 @@
 # Release Notes
 
-## [Unreleased](https://github.com/laravel/boost/compare/v1.5.1...main)
+## [Unreleased](https://github.com/laravel/boost/compare/v1.6.0...main)
+
+## [v1.6.0](https://github.com/laravel/boost/compare/v1.5.1...v1.6.0) - 2025-10-28
+
+* [1.x] Add support for markdown files by [@adrum](https://github.com/adrum) in https://github.com/laravel/boost/pull/319
 
 ## [v1.5.1](https://github.com/laravel/boost/compare/v1.5.0...v1.5.1) - 2025-10-25