Merge pull request #13 from martincostello/azure-pipelines-chart

Add Azure Pipelines graph

README.md

@@ -5,7 +5,7 @@
 | | Windows | Linux/OS X | Linux/macOS/Windows |
 |:-:|:-:|:-:|:-:|
 | **Build Status** | [![Windows build status](https://img.shields.io/appveyor/ci/martincostello/xunit-logging/master.svg)](https://ci.appveyor.com/project/martincostello/xunit-logging) [![Code coverage](https://codecov.io/gh/martincostello/xunit-logging/branch/master/graph/badge.svg)](https://codecov.io/gh/martincostello/xunit-logging) | [![Linux build status](https://img.shields.io/travis-ci/com/martincostello/xunit-logging/master.svg)](https://travis-ci.com/martincostello/xunit-logging) | [![Azure Pipelines build status](https://dev.azure.com/martincostello/xunit-logging/_apis/build/status/CI)](https://dev.azure.com/martincostello/xunit-logging/_build/latest?definitionId=67) |
-| **Build History** | [![Windows build history](https://buildstats.info/appveyor/chart/martincostello/xunit-logging?branch=master&includeBuildsFromPullRequest=false)](https://ci.appveyor.com/project/martincostello/xunit-logging) | [![Linux build history](https://buildstats.info/travisci/chart/martincostello/xunit-logging?branch=master&includeBuildsFromPullRequest=false)](https://travis-ci.com/martincostello/xunit-logging) | _Not supported_ |
+| **Build History** | [![Windows build history](https://buildstats.info/appveyor/chart/martincostello/xunit-logging?branch=master&includeBuildsFromPullRequest=false)](https://ci.appveyor.com/project/martincostello/xunit-logging) | [![Linux build history](https://buildstats.info/travisci/chart/martincostello/xunit-logging?branch=master&includeBuildsFromPullRequest=false)](https://travis-ci.com/martincostello/xunit-logging) | [![Build history](https://buildstats.info/azurepipelines/chart/martincostello/xunit-logging/67?branch=master&includeBuildsFromPullRequest=false)](https://dev.azure.com/martincostello/xunit-logging/_build?definitionId=67) |
 
 ## Introduction