chore: citation

CITATION.cff

@@ -0,0 +1,24 @@
+cff-version: 1.2.0
+title: onnx2torch
+message: "Please use this information to cite onnx2torch in research or other publications."
+authors:
+  - affiliation: ENOT LLC
+    given-names: ENOT developers
+  - family-names: Kalgin
+    given-names: Igor
+  - family-names: Yanchenko
+    given-names: Arseny
+  - family-names: Ivanov
+    given-names: Pyoter
+  - family-names: Goncharenko
+    given-names: Alexander
+date-released: 2021-12-14
+url: "https://enot.ai"
+repository-code: "https://github.com/ENOT-AutoDL/onnx2torch"
+license: "Apache-2.0"
+keywords:
+  - onnx
+  - pytorch
+  - convert
+  - deep learning
+  - machine learning

README.md

@@ -247,6 +247,19 @@ torch.save(torch_model, 'model.pt')
 
 Note: use this only when the model does not convert to PyTorch using the existing opset version. Result might vary.
 
+## Citation
+
+To cite onnx2torch use `Cite this repository` button, or:
+```
+@misc{onnx2torch,
+  title={onnx2torch},
+  author={ENOT developers and Kalgin, Igor and Yanchenko, Arseny and Ivanov, Pyoter and Goncharenko, Alexander},
+  year={2021},
+  howpublished={\url{https://enot.ai/}},
+  note={Version: x.y.z}
+}
+```
+
 ## Acknowledgments
 
 Thanks to Dmitry Chudakov [@cakeofwar42](https://github.com/cakeofwar42) for his contributions.\