Add openSUSE Tumbleweed

Author: Rerum02

README.md

@@ -180,6 +180,16 @@ dnf install cosmic-desktop
 Then log out, click on your user, and a sprocket at the bottom right shows an additional entry alongside your desktop environments. Change to COSMIC and proceed with log in.
 For further information, you may check the [COPR page](https://copr.fedorainfracloud.org/coprs/ryanabx/cosmic-epoch/).
 
+## Installing on openSUSE tumbleweed 
+Cosmic can be installed by adding X11:COSMIC:Factory repo with opi.
+```
+opi patterns-cosmic
+```
+Select X11:COSMIC:Factory, after installing keep the repo.
+
+Then log out, click on your user, and a sprocket at the bottom right shows an additional entry alongside your desktop environments. Change to COSMIC and proceed with log in.
+For further information, you may check the [OBS page](https://build.opensuse.org/project/show/X11:COSMIC:Factory).
+
 ## Installing on Gentoo Linux
 COSMIC can be installed on Gentoo via a custom overlay. Add the overlay using your preferred overlay manager (such as eselect), and then install the desktop environment: