adding Azure pipeline status badge.

README.md

@@ -1,6 +1,7 @@
 [![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg?style=flat-square)](https://raw.githubusercontent.com/dotnet/sqlclient/master/LICENSE)
 [![Nuget](https://img.shields.io/nuget/dt/Microsoft.Data.SqlClient?label=Nuget.org%20Downloads&style=flat-square&color=blue)](https://www.nuget.org/packages/Microsoft.Data.SqlClient)
 [![Gitter](https://img.shields.io/gitter/room/badges/shields.svg?style=flat-square&color=blue)](https://gitter.im/Microsoft/mssql-developers)
+[![Build status](https://sqlclientdrivers.visualstudio.com/public/_apis/build/status/ADO/CI-SqlClient)](https://sqlclientdrivers.visualstudio.com/public/_build/latest?definitionId=1139)
 
 # Microsoft SqlClient Data Provider for SQL Server
 
@@ -118,4 +119,4 @@ The Microsoft.Data.SqlClient Driver for SQL Server is licensed under the MIT lic
 
 ## Trademarks
 
-This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft trademarks or logos is subject to and must follow Microsoft's Trademark & Brand Guidelines. Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship. Any use of third-party trademarks or logos are subject to those third-party's policies.
+This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft trademarks or logos is subject to and must follow Microsoft's Trademark & Brand Guidelines. Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship. Any use of third-party trademarks or logos are subject to those third-party's policies.