README: Add Repology packaging status

README.md

@@ -31,6 +31,8 @@ Donation links for kozec, who is the original developer, can be found on the [ol
 
 ## Packages
 
+[![Packaging status](https://repology.org/badge/vertical-allrepos/sc-controller.svg)](https://repology.org/project/sc-controller/versions)
+
 Linux:
   - **Arch Linux:** Found in [AUR/sc-controller](https://aur.archlinux.org/packages/sc-controller/) and [AUR/sc-controller-git](https://aur.archlinux.org/packages/sc-controller-git/)
   - **Ubuntu (22.04-jammy, 24.04-noble):** Packaged as AppImage in [GitHub releases](https://github.com/C0rn3j/sc-controller/releases), ***which may also run fine on other operating systems - jammy image is currently the most compatible one***