[Doc]Add build status for dev branch

README.md

@@ -16,6 +16,10 @@ Checkout the [tvm stack homepage](https://tvm.ai/)  for more information.
 
 Neo-ai/tvm is a AWS-managed fork of TVM, that hosts vendor- and product-oriented features on top of upstream codebase.
 
+Branches
+--------
+  * dev [![Build Status](https://neo-ai-ci.amazon-ml.com/job/tvm/job/dev/badge/icon)](https://neo-ai-ci.amazon-ml.com/job/tvm/job/dev/badge/icon) - This is the development branch with most update to date source codes.
+
 License
 -------
 © Contributors Licensed under an [Apache-2.0](https://github.com/dmlc/tvm/blob/master/LICENSE) license.