pvc nfs example : add "volumeName" to nfs-pvc to connect it to nfs-pv

[matanw]

it is very weird that there is no connection between nfs-pv and nfs-pvc
Where I copy this example it works, but when I used it with multiple PVs and PVVs, this is not working -PVC is bounded to a random PVC

I wondering if adding "volumeName" to PVC is enough or we need also add claimRef to PV

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[idvoretskyi]

/lgtm

[idvoretskyi]

@matanw you'll have to sing the CLA though.

[matanw]

I signed it

[matanw]

I add a redundant "i", fixed, pls re- lgtm

[idvoretskyi]

/lgtm
/approve

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This pull-request has been approved by: idvoretskyi, matanw

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