added prot_port_list feature

[Julineo]

Description

Added ProtPortList to functionality.

Motivation and Context

How Has This Been Tested?

I ran manual acceptance test.

Types of changes

• New feature (non-breaking change which adds functionality)

Checklist

• [x] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes if appropriate.
• [ ] All new and existing tests passed.

[paulgear]

Could we please have some documentation about the expected contents of prot_port_list? The only reference I could find which actually showed the contents was https://github.com/PaloAltoNetworks/terraform-provider-cloudngfwaws/blob/main/docs/guides/ezrulestack.md?plain=1#L102