docs: add dataset card with INTERSPEECH 2026 paper banner and citation

README.md

@@ -0,0 +1,28 @@
+# Balalaika LM
+
+[![arXiv](https://img.shields.io/badge/arXiv-2507.13563-b31b1b.svg)](https://arxiv.org/abs/2507.13563)
+[![Conference](https://img.shields.io/badge/INTERSPEECH-2026-1f6feb.svg)](https://arxiv.org/abs/2507.13563)
+[![Code](https://img.shields.io/badge/code-lab260ru%2Fbalalaika-181717.svg?logo=github)](https://github.com/lab260ru/balalaika)
+
+> [!IMPORTANT]
+> **Official dataset for our INTERSPEECH 2026 paper**
+> *"A Data-Centric Framework for Addressing Phonetic and Prosodic Challenges in Russian Speech Generative Models"* ([arXiv:2507.13563](https://arxiv.org/abs/2507.13563)).
+> Part of the **Balalaika** Russian speech data-processing pipeline — code: [https://github.com/lab260ru/balalaika](https://github.com/lab260ru/balalaika).
+> If you use this resource, please [cite it](#citation).
+
+Part of the **Balalaika** Russian speech data-processing pipeline. See the [code repository](https://github.com/lab260ru/balalaika) for details.
+
+## Citation
+
+If you use this resource, please cite our INTERSPEECH 2026 paper:
+
+```bibtex
+@inproceedings{borodin2026balalaika,
+  title     = {A Data-Centric Framework for Addressing Phonetic and Prosodic Challenges in Russian Speech Generative Models},
+  author    = {Borodin, Kirill and Vasiliev, Nikita and Kudryavtsev, Vasiliy and Maslov, Maxim and Gorodnichev, Mikhail and Rogov, Oleg and Mkrtchian, Grach},
+  booktitle = {Proc. INTERSPEECH 2026},
+  year      = {2026},
+  note      = {arXiv:2507.13563},
+  url       = {https://arxiv.org/abs/2507.13563}
+}
+```