add clux/kube-rs client

add [clux/kube-rs](https://github.com/clux/kube-rs) to list of
[community-maintained client
libraries](https://kubernetes.io/docs/reference/using-api/client-libraries/#community-maintained-client-libraries)

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

@@ -64,6 +64,7 @@ their authors, not the Kubernetes team.
 | Ruby                 | [github.com/abonas/kubeclient](https://github.com/abonas/kubeclient) |
 | Ruby                 | [github.com/kontena/k8s-client](https://github.com/kontena/k8s-client) |
 | Rust                 | [github.com/ynqa/kubernetes-rust](https://github.com/ynqa/kubernetes-rust) |
+| Rust                 | [github.com/clux/kube-rs](https://github.com/clux/kube-rs) |
 | Scala                | [github.com/doriordan/skuber](https://github.com/doriordan/skuber) |
 | dotNet               | [github.com/tonnyeremin/kubernetes_gen](https://github.com/tonnyeremin/kubernetes_gen) |
 | DotNet (RestSharp)   | [github.com/masroorhasan/Kubernetes.DotNet](https://github.com/masroorhasan/Kubernetes.DotNet) |