Update README.md (Azure#21235)

Author: maririos

sdk/translation/Azure.AI.Translation.Document/README.md

@@ -398,6 +398,7 @@ Samples showing how to use the Cognitive Services Document Translation library a
 
 ### Advanced samples
 - [Multiple Inputs][multiple_Inputs_sample]
+- [Create Storage Containers and start translation][using_storage_sample]
 
 ## Contributing
 See the [CONTRIBUTING.md][contributing] for details on building, testing, and contributing to this library.
@@ -435,6 +436,7 @@ This project has adopted the [Microsoft Open Source Code of Conduct][code_of_con
 [documents_status_sample]: https://github.com/Azure/azure-sdk-for-net/blob/master/sdk/translation/Azure.AI.Translation.Document/samples/Sample2_PollIndividualDocuments.md
 [operations_history_sample]: https://github.com/Azure/azure-sdk-for-net/blob/master/sdk/translation/Azure.AI.Translation.Document/samples/Sample3_OperationsHistory.md
 [multiple_inputs_sample]: https://github.com/Azure/azure-sdk-for-net/blob/master/sdk/translation/Azure.AI.Translation.Document/samples/Sample4_MultipleInputs.md
+[using_storage_sample]: https://github.com/Azure/azure-sdk-for-net/tree/master/sdk/translation/Azure.AI.Translation.Document/tests/samples/Sample_StartTranslationWithAzureBlob.cs
 
 [azure_cli]: https://docs.microsoft.com/cli/azure
 [azure_sub]: https://azure.microsoft.com/free/