The app is not notarized or signed or anything because I don't know how to, so Finder might warn you about the file, just open the Application in Finder and right-click -> Open, then you should be able to open it from then on. The app minimises to the tray after closing the config dialog.
Apple Silicon Version: Download
Intel Version: Download
Full Changelog: v.1.1.0...v.1.1.1