Add citation to docs

docs/source/index.rst

@@ -36,3 +36,28 @@ Documentation structure
     tutorials
     reference
     release-history
+
+Citation
+--------
+
+If you use this package in your work, please cite the following paper:
+
+  Morris, T. W., Rakitin, M., Du, Y., Fedurin, M., Giles, A. C., Leshchev, D., Li, W. H., Romasky, B., Stavitski, E., Walter, A. L., Moeller, P., Nash, B., & Islegen-Wojdyla, A. (2024). A general Bayesian algorithm for the autonomous alignment of beamlines. Journal of Synchrotron Radiation, 31(6), 1446–1456. https://doi.org/10.1107/S1600577524008993
+
+BibTeX:
+
+.. code-block:: bibtex
+
+   @Article{Morris2024,
+     author   = {Morris, Thomas W. and Rakitin, Max and Du, Yonghua and Fedurin, Mikhail and Giles, Abigail C. and Leshchev, Denis and Li, William H. and Romasky, Brianna and Stavitski, Eli and Walter, Andrew L. and Moeller, Paul and Nash, Boaz and Islegen-Wojdyla, Antoine},
+     journal  = {Journal of Synchrotron Radiation},
+     title    = {{A general Bayesian algorithm for the autonomous alignment of beamlines}},
+     year     = {2024},
+     month    = {Nov},
+     number   = {6},
+     pages    = {1446--1456},
+     volume   = {31},
+     doi      = {10.1107/S1600577524008993},
+     keywords = {Bayesian optimization, automated alignment, synchrotron radiation, digital twins, machine learning},
+     url      = {https://doi.org/10.1107/S1600577524008993},
+   }