add description and author

plugins/kops/README.md

 # kops
 
-This plugin provides completion for [kops](https://github.com/kubernetes/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)