Add installation instructions for openSUSE/SLE (#1050)

* add instructions for openSUSE/SLE

* moved installation of openSUSE/SLE beneath Windows

README.md

@@ -33,6 +33,7 @@ Installation methods:
   - [Go](/docs/installation.md#go)
   - [CentOS](/docs/installation.md#centos)
   - [Fedora](/docs/installation.md#fedora)
+  - [openSUSE/SLE](/docs/installation.md#opensusesle)
   - [macOS (Homebrew)](/docs/installation.md#macos)
   - [Windows](/docs/installation.md#windows)
 

docs/installation.md

@@ -62,3 +62,26 @@ Kompose can be installed via [Chocolatey](https://chocolatey.org/packages/kubern
 ```console
 choco install kubernetes-kompose
 ```
+
+#### openSUSE/SLE
+Kompose is available in the official Virtualization:containers repository for openSUSE Tumbleweed, Leap 15, Leap 42.3 and SUSE Linux Enterprise 15.
+
+Head over to [software.opensuse.org for One-Click Installation](https://software.opensuse.org//download.html?project=Virtualization%3Acontainers&package=kompose) or add the repository manually:
+```bash
+#openSUSE Tumbleweed
+sudo zypper addrepo https://download.opensuse.org/repositories/Virtualization:containers/openSUSE_Tumbleweed/Virtualization:containers.repo
+
+#openSUSE Leap 42.3
+sudo zypper addrepo https://download.opensuse.org/repositories/Virtualization:containers/openSUSE_Leap_42.3/Virtualization:containers.repo
+
+#openSUSE Leap 15
+sudo zypper addrepo https://download.opensuse.org/repositories/Virtualization:containers/openSUSE_Leap_15.0/Virtualization:containers.repo
+
+#SUSE Linux Enterprise 15
+sudo zypper addrepo https://download.opensuse.org/repositories/Virtualization:containers/SLE_15/Virtualization:containers.repo
+```
+and install the package:
+```bash
+sudo zypper refresh
+sudo zypper install kompose
+```