Update readme for -pre and -post TestResource scripts (#17891)
Update readme for -pre and -post TestResource scripts (#17891)

Co-authored-by: Christopher Scott <098bc51cd4508893ea08ee0a8f7c951dde90cfa9@microsoft.com>
Azure/azure-sdk-for-go,Azure/azure-sdk-for-go,Azure/azure-sdk-for-go,Azure/azure-sdk-for-go