feat(docs): annotate loadbalancer on kubernetes - int-add-annotation-kubernetes-loadbalancer

Author: thiercelinflorian

tutorials/get-started-kubernetes-loadbalancer/index.mdx

@@ -168,4 +168,13 @@ Let's check that the IP address seen in the console is also known to our cluster
   A text similar to the following should display, showing that the containerized `whoami` application is running on our cluster and accessible through our Load Balancer:
   ```
   I'm mydeployment-6579f975d55-fv4sx
-  ```
+  ```
+
+## Step 5 (Optional): Annotate LoadBalancer on Kubernetes
+
+  You can find all annotations available for LoadBalancer on Kubernetes [here](https://github.com/scaleway/scaleway-cloud-controller-manager/blob/master/docs/loadbalancer-annotations.md).
+
+  You will need to add an annotation directly to the LoadBalancer SVC.
+
+  Here is an example command: ```kubectl annotate svc <load-balancer-svc> service.beta.kubernetes.io/scw-loadbalancer-health-check-timeout=1m```
+