Merge pull request #1602 from kubernetes-sigs/actimeo-doc

doc: add noresvport, actimeo=30 mount option in static nfs pv

Author: andyzhangx

deploy/example/pv-azurefile-nfs.yaml

@@ -13,6 +13,8 @@ spec:
   persistentVolumeReclaimPolicy: Retain  # if set as "Delete" file share would be removed in pvc deletion
   mountOptions:
     - nconnect=4
+    - noresvport
+    - actimeo=30
   csi:
     driver: file.csi.azure.com
     readOnly: false