Add github stars badge

index.md

@@ -52,7 +52,7 @@ Although language model (LM) agents are demonstrating growing potential in many
 
 
 Want to try it yourself and explore our new agent? We are completely *open-source*!
-You can try it out in the [SWE-agent repository](https://github.com/princeton-nlp/SWE-agent), read our [documentation](https://princeton-nlp.github.io/SWE-agent/) and explore more about the research work in our [paper](/assets/paper.pdf).
+You can try it out in the [SWE-agent repository](https://github.com/princeton-nlp/SWE-agent) ![GitHub Repo stars](https://img.shields.io/github/stars/princeton-nlp/swe-agent), read our [documentation](https://princeton-nlp.github.io/SWE-agent/) and explore more about the research work in our [paper](/assets/paper.pdf).
 {:.note title="Try It Out!"}
 
 ### Results