Add Azure DevOps Build History

Author: RehanSaeed

README.md

@@ -156,9 +156,9 @@ For more examples and actual running code samples, take a look at the unit tests
 | Azure Pipelines | Ubuntu                | [![Azure Pipelines Ubuntu Build Status](https://dev.azure.com/schema-net/Schema.NET/_apis/build/status/Schema.NET?branchName=master&stageName=Build&jobName=Build&configuration=Build%20Linux)](https://dev.azure.com/schema-net/Schema.NET/_build/latest?definitionId=1&branchName=master) |
 | Azure Pipelines | Mac                   | [![Azure Pipelines Mac Build Status](https://dev.azure.com/schema-net/Schema.NET/_apis/build/status/Schema.NET?branchName=master&stageName=Build&jobName=Build&configuration=Build%20Mac)](https://dev.azure.com/schema-net/Schema.NET/_build/latest?definitionId=1&branchName=master) |
 | Azure Pipelines | Windows               | [![Azure Pipelines Windows Build Status](https://dev.azure.com/schema-net/Schema.NET/_apis/build/status/Schema.NET?branchName=master&stageName=Build&jobName=Build&configuration=Build%20Windows)](https://dev.azure.com/schema-net/Schema.NET/_build/latest?definitionId=1&branchName=master) |
-| Azure Pipelines | Overall               | [![Azure Pipelines Overall Build Status](https://dev.azure.com/schema-net/Schema.NET/_apis/build/status/Schema.NET?branchName=master)](https://dev.azure.com/schema-net/Schema.NET/_build/latest?definitionId=1&branchName=master) | |
+| Azure Pipelines | Overall               | [![Azure Pipelines Overall Build Status](https://dev.azure.com/schema-net/Schema.NET/_apis/build/status/Schema.NET?branchName=master)](https://dev.azure.com/schema-net/Schema.NET/_build/latest?definitionId=1&branchName=master) | [![Azure DevOps Build History](https://buildstats.info/azurepipelines/chart/schema-net/Schema.NET/1?branch=master&includeBuildsFromPullRequest=false)](https://dev.azure.com/schema-net/Schema.NET/_build/latest?definitionId=1&branchName=master) |
 | GitHub Actions  | Ubuntu, Mac & Windows | [![GitHub Actions Status](https://github.com/RehanSaeed/Schema.NET/workflows/Build/badge.svg?branch=master)](https://github.com/RehanSaeed/Schema.NET/actions) | |
-| AppVeyor        | Ubuntu & Windows      | [![AppVeyor Build Status](https://ci.appveyor.com/api/projects/status/djxrpkw8ckyf24c1?svg=true)](https://ci.appveyor.com/project/RehanSaeed/schema-net) | [![AppVeyor Build history](https://buildstats.info/appveyor/chart/RehanSaeed/schema-net?branch=master&includeBuildsFromPullRequest=false)](https://ci.appveyor.com/project/RehanSaeed/schema-net) |
+| AppVeyor        | Ubuntu & Windows      | [![AppVeyor Build Status](https://ci.appveyor.com/api/projects/status/djxrpkw8ckyf24c1?svg=true)](https://ci.appveyor.com/project/RehanSaeed/schema-net) | [![AppVeyor Build History](https://buildstats.info/appveyor/chart/RehanSaeed/schema-net?branch=master&includeBuildsFromPullRequest=false)](https://ci.appveyor.com/project/RehanSaeed/schema-net) |
 
 ## Contributions and Thanks