feat: Add kube-vip in sample addons.yml (#10522)

inventory/sample/group_vars/k8s_cluster/addons.yml

@@ -247,3 +247,14 @@ argocd_enabled: false
 # The plugin manager for kubectl
 krew_enabled: false
 krew_root_dir: "/usr/local/krew"
+
+# Kube VIP
+kube_vip_enabled: false
+# kube_vip_arp_enabled: true
+# kube_vip_controlplane_enabled: true
+# kube_vip_address: 192.168.56.120
+# loadbalancer_apiserver:
+#   address: "{{ kube_vip_address }}"
+#   port: 6443
+# kube_vip_interface: eth0
+# kube_vip_services_enabled: false