Merge pull request #902 from bottlerocket-os/quickstart-opt-config

QUICKSTART: Clarify which setup is optional

QUICKSTART.md

@@ -50,15 +50,15 @@ eksctl create cluster --config-file ./my-eksctl.yaml
 
 This will take a few minutes to create the EKS cluster and spin up your Bottlerocket worker nodes.
 
-#### Remaining cluster configuration
-
 ##### CNI plugin
 
 Now we can make a configuration change to use a CNI plugin that's compatible with Bottlerocket.
 ```
 kubectl apply -f https://raw.githubusercontent.com/aws/amazon-vpc-cni-k8s/release-1.6/config/v1.6/aws-k8s-cni.yaml
 ```
 
+#### Optional cluster configuration
+
 ##### CSI plugin
 
 If you want to create a [persistent volume](https://kubernetes.io/docs/concepts/storage/persistent-volumes/) on a Bottlerocket host, you will need to use the [EBS CSI Plugin](https://github.com/kubernetes-sigs/aws-ebs-csi-driver).