ci: add VSTS build badge to README
diff --git a/README.md b/README.md
index 5b50188..e9461d6 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@ libgit2 - the Git linkable library
[](http://travis-ci.org/libgit2/libgit2)
[](https://ci.appveyor.com/project/libgit2/libgit2/branch/master)
+[](https://libgit2.visualstudio.com/libgit2/_build/latest?definitionId=7)
[](https://scan.coverity.com/projects/639)
`libgit2` is a portable, pure C implementation of the Git core methods