moved OpenSUSE instructions to separate steps (#864)

README.md

@@ -62,7 +62,7 @@ Once you have a feed configured, run this command to install the application:
 sudo apt update && sudo apt install github-desktop
 ```
 
-### Red Hat/CentOS/Fedora/OpenSUSE
+### Red Hat/CentOS/Fedora
 
 There are two RPM package feeds available, both hosted in the US. You only need
 to add one or the other here, as both of these are generated based on the
@@ -97,6 +97,33 @@ sudo dnf install github-desktop
 sudo zypper ref && sudo zypper in github-desktop
 ```
 
+#### OpenSUSE
+
+There are two RPM package feeds available, both hosted in the US. You only need
+to add one or the other here, as both of these are generated based on the
+releases from this repository.
+
+#### [@shiftkey](https://github.com/shiftkey) package feed
+
+```
+sudo rpm --import https://rpm.packages.shiftkey.dev/gpg.key
+sudo sh -c 'echo -e "[shiftkey-packages]\nname=GitHub Desktop\nbaseurl=https://rpm.packages.shiftkey.dev/rpm/\nenabled=1\ngpgcheck=1\nrepo_gpgcheck=1\ngpgkey=https://rpm.packages.shiftkey.dev/gpg.key" > /etc/zypp/repos.d/shiftkey-packages.repo'
+```
+
+#### [@mwt](https://github.com/mwt) package feed
+
+```sh
+sudo rpm --import https://mirror.mwt.me/shiftkey-desktop/gpgkey
+sudo sh -c 'echo -e "[mwt-packages]\nname=GitHub Desktop\nbaseurl=https://mirror.mwt.me/shiftkey-desktop/rpm\nenabled=1\ngpgcheck=1\nrepo_gpgcheck=1\ngpgkey=https://mirror.mwt.me/shiftkey-desktop/gpgkey" > /etc/zypp/repos.d/mwt-packages.repo'
+```
+
+#### Installation
+
+```sh
+sudo zypper ref && sudo zypper in github-desktop
+```
+
+
 ## Other Distributions
 
 ### Arch Linux