Add another Lisp client library

Author: xh4

content/en/docs/reference/using-api/client-libraries.md

@@ -49,6 +49,7 @@ their authors, not the Kubernetes team.
 | Java (OSGi)          | [bitbucket.org/amdatulabs/amdatu-kubernetes](https://bitbucket.org/amdatulabs/amdatu-kubernetes) |
 | Java (Fabric8, OSGi) | [github.com/fabric8io/kubernetes-client](https://github.com/fabric8io/kubernetes-client) |
 | Lisp                 | [github.com/brendandburns/cl-k8s](https://github.com/brendandburns/cl-k8s) |
+| Lisp                 | [github.com/xh4/cube](https://github.com/xh4/cube) |
 | Node.js (TypeScript) | [github.com/Goyoo/node-k8s-client](https://github.com/Goyoo/node-k8s-client) |
 | Node.js              | [github.com/tenxcloud/node-kubernetes-client](https://github.com/tenxcloud/node-kubernetes-client) |
 | Node.js              | [github.com/godaddy/kubernetes-client](https://github.com/godaddy/kubernetes-client) |