provider/azurerm: Adding data source support for Public IP (#15110)
provider/azurerm: Adding data source support for Public IP (#15110)

* Added support for public IP data source. Tested manually.

* WIP: Update to implementation, basic test added.

* WIP: Updates to implementation, basic test added.

* WIP: Added support for idle timeout

* Completed implementation and basic test

* Added documentation.

* Updated the example so it makes a little more sense.

sebastus/terraform-provider-azurerm,abhijeetgaiha/terraform-provider-azurerm,sebastus/terraform-provider-azurerm,abhijeetgaiha/terraform-provider-azurerm,thiagocaiubi/terraform-provider-azurerm,sebastus/terraform-provider-azurerm,abhijeetgaiha/terraform-provider-azurerm,thiagocaiubi/terraform-provider-azurerm,thiagocaiubi/terraform-provider-azurerm