[FEATURE] Add Terraform support for azurerm_resource_group

[BernieWhite]

Your suggestion

Using azurerm_resource_group along side azapi resources is common in Microsoft Learn docs and AVM.

Let's add support for this resource type because it has a relatively low number of properties that can be configured.

Alternatives

n/a

Additional context

• https://learn.microsoft.com/en-us/azure/developer/terraform/get-started-azapi-resource?tabs=azure-cli
• https://azure.github.io/Azure-Verified-Modules/usage/quickstart/terraform/