Updating the CONFIG-VARS to reflect the usage of the ssh_public_key variable (#504)

Signed-off-by: frozentank <frozentank@gmail.com>
Co-authored-by: Chris Miller <53184971+saschjmil@users.noreply.github.com>

Author: frozentank

docs/CONFIG-VARS.md

@@ -209,7 +209,7 @@ Ubuntu 22.04 LTS is the operating system used on the Jump/NFS servers. Ubuntu cr
 | jump_rwx_filestore_path | File store mount point on jump server | string | "/viya-share" | This location cannot include `/mnt` as its root location. This disk is ephemeral on Ubuntu, which is the operating system being used for the jump/NFS servers. |
 | tags | Map of common tags to be placed on all Azure resources created by this script | map | { project_name = "sasviya4", environment = "dev" } | |
 | aks_identity | Use UserAssignedIdentity or Service Principal as [AKS identity](https://docs.microsoft.com/en-us/azure/aks/concepts-identity) | string | "uai" | A value of `uai` wil create a Managed Identity based on the permissions of the authenticated user or use [`AKS_UAI_NAME`](#use-existing), if set. A value of `sp` will use values from [`CLIENT_ID`/`CLIENT_SECRET`](#azure-authentication), if set. |
-| ssh_public_key | File name of public ssh key for jump and nfs VM | string | "~/.ssh/id_rsa.pub" | Required with `create_jump_vm=true` or `storage_type=standard` |
+| ssh_public_key | File name of public ssh key for jump, nfs, and AKS VMs | string | "~/.ssh/id_rsa.pub" | Required with `create_jump_vm=true` or `storage_type=standard` |
 | cluster_api_mode | Public or private IP for the cluster api | string | "public" | Valid Values: "public", "private" |
 | aks_cluster_private_dns_zone_id | Specifies private DNS zone resource ID for AKS private cluster to use | string | "" | For `cluster_api_mode=private` if `aks_cluster_private_dns_zone_id` is not specified then the value `System` is used else it is set to null. For details see [Configure a private DNS zone](https://learn.microsoft.com/en-us/azure/aks/private-clusters?tabs=azure-portal#configure-a-private-dns-zone) |
 | aks_cluster_sku_tier | The SKU Tier that should be used for this Kubernetes Cluster. Optimizes api server for cost vs availability | string | "Free" | Valid Values:  "Free", "Standard" and "Premium" |