feat: add csi-driver-nfs addon (#837)

template/templates/kubernetes/apps/kube-system/kustomization.yaml.j2

@@ -1,3 +1,4 @@
+#jinja2: trim_blocks: True, lstrip_blocks: True
 ---
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
@@ -8,3 +9,6 @@ resources:
   - ./local-path-provisioner/ks.yaml
   - ./metrics-server/ks.yaml
   - ./reloader/ks.yaml
+  {% if csi_driver_nfs.enabled | default(false) %}
+  - ./csi-driver-nfs/ks.yaml
+  {% endif %}