Update README.md

kubernetes/README.md

@@ -1,4 +1,7 @@
 # Uptime-Kuma K8s Deployment
+
+⚠ Warning: K8s deployment is provided by contributors. I have no experience with K8s and I can't fix error in the future. I only test Docker and Node.js. Use at your own risk.
+
 ## How does it work?
 
 Kustomize is a tool which builds a complete deployment file for all config elements.
@@ -25,4 +28,4 @@ This ingressroute.yml is for the [nginx-ingress-controller](https://kubernetes.g
 - run ```kustomize build > apply.yml```
 - run ```kubectl apply -f apply.yml```
 
-Now you should see some k8s magic and Uptime-Kuma should be available at the specified address.
+Now you should see some k8s magic and Uptime-Kuma should be available at the specified address.