Add link to paper

This PR ensures the model can be found from https://huggingface.co/papers/2410.24198.

README.md

@@ -94,6 +94,7 @@ We introduce StarCoder2-15B-Instruct-v0.1, the very first entirely self-aligned
 
 - **Model:** [bigcode/starcoder2-15b-instruct-v0.1](https://huggingface.co/bigcode/starcoder2-instruct-15b-v0.1)
 - **Code:** [bigcode-project/starcoder2-self-align](https://github.com/bigcode-project/starcoder2-self-align)
+- **Paper:** [SelfCodeAlign: Self-Alignment for Code Generation](https://huggingface.co/papers/2410.24198)
 - **Dataset:** [bigcode/self-oss-instruct-sc2-exec-filter-50k](https://huggingface.co/datasets/bigcode/self-oss-instruct-sc2-exec-filter-50k/)
 - **Authors:**
 [Yuxiang Wei](https://yuxiang.cs.illinois.edu),