Introduce CloudNGFW Reference Architectures

[acelebanski]

We need to introduce the below reference architectures to support different types of Cloud NGFW deployments.

Modules

• cloudngfw - a module to deploy a Cloud NGFW resource

Reference Architectures

• Common Design (common_cloudngfw)
• Virtual WAN Design (vwan_cloudngfw)

Naming of the examples

We will use different suffix to distinguish between vmseries and cloudngfw

• common_vmseries
• common_cloudngfw

Update the READMEs to add a new key, value pair in the heredoc

short_title: Common CloudNGFW
type: refarch
show_in_hub: true
swfw: vmseries|cloudngfw