Enhance guidance on how to deploy LZ VNets connected to vWAN hub

[daltondhcp]

• Recommended approach to create vNET and connect it to vWAN hub
• Policy vs ARM templates
• Caveat with concurrency

Enterprise-Scale/deploy-lz-vnet.md at main · Azure/Enterprise-Scale (github.com)

[jtracey93]

Trigger ADO Sync 1

[jtracey93]

Trigger ADO Sync 2

[JefferyMitchell]

Please review the documentation on Subscription Vending https://learn.microsoft.com/en-us/azure/cloud-adoption-framework/ready/landing-zone/design-area/subscription-vending#configure-networking