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
 
@@ -159,3 +160,7 @@ The data is under the [Creative Commons Attribution 2.5 South Africa License](ht
   url       = {https://repo.sadilar.org/handle/20.500.12185/319},
 }
 ```
+
+### Contributions
+
+Thanks to [@yvonnegitau](https://github.com/yvonnegitau) for adding this dataset.