Add metadata.template to azure.yaml#2

haileyhuber8 wants to merge 1 commit intoBuild5Nines:mainBuild5Nines/azd-csharp-api-swagger:mainfrom

haileyhuber8:fix/add-metadata-templatehaileyhuber8/azd-csharp-api-swagger:fix/add-metadata-templateCopy head branch name to clipboard