Tab Groups Simple Controller

** Introduction ** This is a simple tab group controller that automatic collapse or expand of tab groups on browser startup, and allow clicking to collapse or expand all groups. ** Usage ** Click the icon to collapse or expand all groups. Actions at browser startup can be set in the extension context menu. ** Support ** This extension is open source based on MIT License. For more information, go to: https://github.com/LightAPIs/tab-groups-simple-controller