Update files from the datasets library (from 1.3.0)

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

README.md

@@ -45,6 +45,7 @@ task_ids:
   - [Dataset Curators](#dataset-curators)
   - [Licensing Information](#licensing-information)
   - [Citation Information](#citation-information)
+  - [Contributions](#contributions)
 
 ## Dataset Description
 
@@ -151,3 +152,7 @@ Make sure to read and agree to the [license](http://oma-project.com/ArSenL/ArSen
   year={2019}
 }
 ```
+
+### Contributions
+
+Thanks to [@moussaKam](https://github.com/moussaKam) for adding this dataset.