vlan: add vlan.id keyword v1

[AkakiAlice]

Ticket: #1065

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Link to ticket: https://redmine.openinfosecfoundation.org/issues/1065

Describe changes:

• Introduce vlan.id keyword

SV_BRANCH= OISF/suricata-verify#2112

[AkakiAlice]

I did this PR to guet feedback about what I'm doing. I don't know how to implement the case of vlan.id:[200,300,400], could you please provide an example?

[victorjulien]

I did this PR to guet feedback about what I'm doing. I don't know how to implement the case of vlan.id:[200,300,400], could you please provide an example?

I think we need a way to match if:

• any of the vlan ids matches the keyword setting
• a specific vlan layer matches

E.g. something like vlan.id:666,1; and vlan.id:666,any;