Add support for DomainNameLabel on nic card

[LaurentLesle]

It must conform to the following regular expression: ^[A-Za-z0-9][A-Za-z0-9\-]{1,62}(?<!\-)$.

[nyuen]

@LaurentLesle can you give more detail on the property? you mean at the public IP level in a NIC?

Could you provide a working TF sample?