Update files from the datasets library (from 1.3.0)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.3.0

README.md

@@ -161,3 +161,7 @@ The datasets and pretrained models provided here are licensed under Creative Com
       primaryClass={cs.CL}
 }
 ```
+
+### Contributions
+
+Thanks to [@vasudevgupta7](https://github.com/vasudevgupta7) for adding this dataset.