📝 update changelog

Author: Yago

Diff for: CHANGELOG.md

@@ -5,6 +5,8 @@ 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]
+### Added
+- Add Next.js App router example in playground
 
 ## [1.5.0] - 2023-07-11
 ### Changed