Merge pull request #4874 from kaylangan/patch-1

Add build badge for Azure Pipelines

README.md

@@ -7,6 +7,7 @@ Requests: HTTP for Humans™
 [![codecov.io](https://codecov.io/github/requests/requests/coverage.svg?branch=master)](https://codecov.io/github/requests/requests)
 [![image](https://img.shields.io/github/contributors/requests/requests.svg)](https://github.com/requests/requests/graphs/contributors)
 [![image](https://img.shields.io/badge/Say%20Thanks-!-1EAEDB.svg)](https://saythanks.io/to/kennethreitz)
+[![Build Status](https://kennethreitz.visualstudio.com/requests/_apis/build/status/requests-CI)](https://kennethreitz.visualstudio.com/requests/_build/latest?definitionId=1)
 
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