Update readme.md

readme.md

@@ -136,11 +136,12 @@ git clone https://github.com/kubernetesdaily/k8sworkshop.git
 | No. | Title | Link |
 |--- | --------- | --------- |
 |1 |Manage role based access control (RBAC)|[🔗](content/docs/kubernetes/RBAC.md)|
-|2 |Use Kubeadm to install a basic cluster| |[🔗](
-|3 |Manage a highly-available Kubernetes cluster||[🔗](
-|4 |Provision underlying infrastructure to deploy a Kubernetes cluster||[🔗](
-|5 |Perform a version upgrade on a Kubernetes cluster using Kubeadm||[🔗](
-|6 |Implement etcd backup and restore||[🔗](
+|2 | Includes configuring pre-requisites to install kubeadm |[🔗](content/docs/kubernetes/pre-requisites-kubeadm.md)|
+|3 |Use Kubeadm to install a basic cluster| |[🔗](content/docs/kubernetes/kubeadm.md)|
+|4 |Manage a highly-available Kubernetes cluster||[🔗](
+|5 |Provision underlying infrastructure to deploy a Kubernetes cluster||[🔗](
+|6 |Perform a version upgrade on a Kubernetes cluster using Kubeadm||[🔗](
+|7 |Implement etcd backup and restore||[🔗](
 
 #### Workloads and Scheduling