Rename azure template

build_windows_2019_azure.ps1 → build_windows_2019_docker_azure.ps1

@@ -3,4 +3,4 @@
 if (Test-Path ./output-hyperv-iso) {
   Remove-Item -Recurse -Force ./output-hyperv-iso
 }
-packer build --only=hyperv-iso --var iso_url=./local.iso windows_2019_azure.json
+packer build --only=hyperv-iso --var iso_url=./local.iso windows_2019_docker_azure.json