add note about style env var in README

add 0.12.0 to CHANGELOG

CHANGELOG.md

@@ -5,6 +5,21 @@ 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).
 
+# [0.12.0] - 2025-06-21
+
+### Added
+
+-   Various colouring styles, see [Style](https://github.com/onyx-and-iris/gobs-cli/tree/main?tab=readme-ov-file#style)
+    -   colouring is applied to list tables as well as highlighted information in stdout/stderr output.
+
+### Changed
+
+-   if an itemName is passed to a sceneitem command that's in a group, without the --group flag, a friendlier error message is displayed.
+    -   it will suggest using *gobs-cli si ls* to list sources in the scene.
+-   if an invalid --monitor-index is passed to projector open a friendlier error message is displayed.
+    -   it will suggest using *gobs-cli prj ls-m* to list available monitors.
+
+
 # [0.11.0] - 2025-06-20
 
 ### Added

README.md

@@ -625,6 +625,8 @@ Available options are:
 - navy
 - black
 
+Alternatively you may set the style with an environment variable `GOBS_STYLE`.
+
 
 [userconfigdir]: https://pkg.go.dev/os#UserConfigDir
 [obs-keyids]: https://github.com/obsproject/obs-studio/blob/master/libobs/obs-hotkeys.h