Add Shikanian and Parfenyev (2025) (#4717)

Author: navidcy

docs/src/index.md

@@ -103,6 +103,8 @@ the features they describe! Also, if you have developed a new feature in Oceanan
 
 If you have work using Oceananigans that you would like to have listed here, please open a pull request to add it or let us know!
 
+1. Shikanian, A. and Parfenyev, V. (2025) [The effects of no-slip boundaries and external force torque on two-dimensional turbulence in a square domain](https://doi.org/10.48550/arXiv.2508.13590), _arXiv preprint_, arXiv:2508.13590. DOI: [10.48550/arXiv.2508.13590](https://doi.org/10.48550/arXiv.2508.13590)
+
 1. Souza, A. N., Silvestri, S., Deck, K., Bischoff, T., Ferrari, R. and Flierl, G. R. (2025) [Surface to seafloor: A generative AI framework for decoding the ocean interior state](https://doi.org/10.48550/arXiv.2504.15308), _arXiv preprint_, arXiv:2504.15308. DOI: [10.48550/arXiv.2503.12845](https://doi.org/10.48550/arXiv.2504.15308)
 
 1. Johnston, D. R., Shakespeare, C. J., and Constantinou, N. C. (2025) [Evaluating and improving wave and non-wave stress parametrisations for oceanic flows](https://doi.org/10.48550/arXiv.2503.12845), _arXiv preprint_, arXiv:2503.12845 (submitted to the Journal of Physical Oceanography). DOI: [10.48550/arXiv.2503.12845](https://doi.org/10.48550/arXiv.2503.12845)