Moved from CARML to AVM (#4501)

Author: arnoldna

modules/network/virtual-hub/MOVED-TO-AVM.md

@@ -0,0 +1 @@
+This module has already been migrated to [AVM](https://github.com/Azure/bicep-registry-modules/tree/main/avm/res). Only the AVM version is expected to receive updates / new features. Please do not work on improving this module in [CARML](https://aka.ms/carml).

modules/network/virtual-hub/README.md

@@ -1,5 +1,7 @@
 # Virtual Hubs `[Microsoft.Network/virtualHubs]`
 
+> This module has already been migrated to [AVM](https://github.com/Azure/bicep-registry-modules/tree/main/avm/res). Only the AVM version is expected to receive updates / new features. Please do not work on improving this module in [CARML](https://aka.ms/carml).
+
 This module deploys a Virtual Hub.
 If you are planning to deploy a Secure Virtual Hub (with an Azure Firewall integrated), please refer to the Azure Firewall module.
 

modules/network/virtual-wan/MOVED-TO-AVM.md

@@ -0,0 +1 @@
+This module has already been migrated to [AVM](https://github.com/Azure/bicep-registry-modules/tree/main/avm/res). Only the AVM version is expected to receive updates / new features. Please do not work on improving this module in [CARML](https://aka.ms/carml).

modules/network/virtual-wan/README.md

@@ -1,5 +1,7 @@
 # Virtual WANs `[Microsoft.Network/virtualWans]`
 
+> This module has already been migrated to [AVM](https://github.com/Azure/bicep-registry-modules/tree/main/avm/res). Only the AVM version is expected to receive updates / new features. Please do not work on improving this module in [CARML](https://aka.ms/carml).
+
 This module deploys a Virtual WAN.
 
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