chore: updated CHANGELOG.md

Author: vmarcosp

packages/lib/CHANGELOG.md

@@ -5,6 +5,12 @@ 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).
 
+## [Unreleased]
+
+### Added 📦
+
+- Added verbose logs via `BETTER_TMUX_DEBUG=1` env var
+
 ## [0.0.11] - 2024-07-13
 
 ### Fixes 🐛