Summary: Adjust settings of the operating system LXQt

Description:
Much like similar tools provided by lxqt-config the tools of
lxqt-admin can be launched from the Configuration Center as well
as from the panel's main menu - Preferences - LXQt settings.

The provided modules are:
- Time and date configuration
- User and Group Settings

URL: https://lxqt.github.io/
License: LGPLv2+

Maintainer: dglent