Update README with citation (#12)

- Update README with citation (c00c8fdac002fc6c30ec6acf1a5eb2d389d242bc)


Co-authored-by: Nathan Cooper <ncoop57@users.noreply.huggingface.co>

README.md

@@ -289,4 +289,11 @@ The model has been trained on source code in Python, Java, and JavaScript. The p
 The model is licenses under the CodeML Open RAIL-M v0.1 license. You can find the full license [here](https://huggingface.co/spaces/bigcode/license).
 
 # Citation
-**TODO**
+```
+@article{allal2023santacoder,
+  title={SantaCoder: don't reach for the stars!},
+  author={Allal, Loubna Ben and Li, Raymond and Kocetkov, Denis and Mou, Chenghao and Akiki, Christopher and Ferrandis, Carlos Munoz and Muennighoff, Niklas and Mishra, Mayank and Gu, Alex and Dey, Manan and others},
+  journal={arXiv preprint arXiv:2301.03988},
+  year={2023}
+}
+```