Added class and os alternates

.oh-my-zsh/plugins/kops/README.md

@@ -0,0 +1,12 @@
+# kops
+
+This plugin provides completion for [kops](https://github.com/kubernetes/kops) (Kubernetes Operations),
+the command line interface to get a production grade Kubernetes cluster up and running.
+
+To use it, add `kops` to the plugins array in your zshrc file.
+
+```
+plugins=(... kops)
+```
+
+**Author:** [@nmrony](https://github.com/nmrony)