README: more CI status badges
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libgit2 - the Git linkable library
==================================
-[](https://dev.azure.com/libgit2/libgit2/_build/latest?definitionId=7)
-[](https://scan.coverity.com/projects/639)
+| Build Status | |
+| ------------ | - |
+| **master** branch CI builds | [](https://dev.azure.com/libgit2/libgit2/_build/latest?definitionId=7&branchName=master) |
+| **v0.27 branch** CI builds | [](https://dev.azure.com/libgit2/libgit2/_build/latest?definitionId=7&branchName=maint/v0.27) |
+| **Nightly** builds | [](https://libgit2.visualstudio.com/libgit2/_build/latest?definitionId=9&branchName=master) [](https://scan.coverity.com/projects/639) |
`libgit2` is a portable, pure C implementation of the Git core methods
provided as a linkable library with a solid API, allowing to build Git