Update files from the datasets library (from 1.3.0)

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

README.md

@@ -43,6 +43,7 @@ task_ids:
   - [Dataset Curators](#dataset-curators)
   - [Licensing Information](#licensing-information)
   - [Citation Information](#citation-information)
+  - [Contributions](#contributions)
 
 ## Dataset Description
 
@@ -149,4 +150,7 @@ The text in the dataset is in American English
     year = "1993",
     url = "https://www.aclweb.org/anthology/J93-2004",
     pages = "313--330",
-}
+}
+### Contributions
+
+Thanks to [@harshalmittal4](https://github.com/harshalmittal4) for adding this dataset.