[Network] Add front-door rules engine create without header

[Poil]

Extension name (the extension in question)

front-door

Description of issue (in as much detail as possible)

Actually it's not possible to create a rule with the "Override routing configuration" as action type, we have to create a rule with an Header action (via az network front-door rules-engine rule create) and after we can add other action via az network front-door rules-engine rule action az network front-door rules-engine rule create should allow options of "action add"

Best regards,

[ghost]

Thanks for the feedback! We are routing this to the appropriate team for follow-up. cc @cdnfdsuppgithub.

Issue Details

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### Extension name (the extension in question) front-door ### Description of issue (in as much detail as possible) Actually it's not possible to create a rule with the "Override routing configuration" as action type, we have to create a rule with an Header action (via `az network front-door rules-engine rule create`) and after we can add other action via `az network front-door rules-engine rule action` `az network front-door rules-engine rule create` should allow options of "action add" Best regards,

Author:	Poil
Assignees:	-
Labels:	`Network - Front Door`, `Service Attention`, `extension/front-door`
Milestone:	-

[yonzhan]

front-door