Update index.md

Author: antonin-a

pages/index.md

@@ -851,6 +851,7 @@
                 + [Customizing CoreDNS on an OVHcloud Managed Kubernetes cluster](public_cloud/containers_orchestration/managed_kubernetes/customizing-coredns)
                 + [Resetting an OVHcloud Managed Kubernetes cluster](public_cloud/containers_orchestration/managed_kubernetes/resetting-a-cluster)
                 + [Upgrading Kubernetes version on an OVHcloud Managed Kubernetes cluster](public_cloud/containers_orchestration/managed_kubernetes/upgrading-kubernetes-version)
+                + [MKS Premium Plan Beta](public_cloud/containers_orchestration/managed_kubernetes/premium)
             + [Tutorials](public-cloud-containers-orchestration-managed-kubernetes-k8s-tutorials)
                 + [Deploying a Hello World application with the OVHcloud Control Panel](public_cloud/containers_orchestration/managed_kubernetes/deploying-hello-world)
                 + [Deploying a Hello World with the OVHcloud API](public_cloud/containers_orchestration/managed_kubernetes/deploying-hello-world-ovh-api)
@@ -922,7 +923,6 @@
                 + [Managed Kubernetes End-of-Sale, End-of-Service and End-of-Life policies](public_cloud/containers_orchestration/managed_kubernetes/eos-eol-policies)
                 + [Exposed APIs, Kubernetes configuration and Feature gates](public_cloud/containers_orchestration/managed_kubernetes/exposed-apis)
                 + [Known limits](public_cloud/containers_orchestration/managed_kubernetes/known-limits)
-                + [MKS Premium Plan Beta](public_cloud/containers_orchestration/managed_kubernetes/premium)
                 + [Managed Kubernetes objects (services, deployments, pods...)](public_cloud/containers_orchestration/managed_kubernetes/managed-kubernetes-objects)
                 + [Recommended external resources for Kubernetes](public_cloud/containers_orchestration/managed_kubernetes/recommended-external-resources)
                 + [Kubernetes Plugins (CNI, CRI, CSI...) & softwares versions and reserved resources](public_cloud/containers_orchestration/managed_kubernetes/software-versions-reserved-resources)