Update files from the datasets library (from 1.3.0)

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

README.md

@@ -242,3 +242,7 @@ The following is taken from the corpus' source repsository:
 ### Citation Information
 
 [More Information Needed]
+
+### Contributions
+
+Thanks to [@lewtun](https://github.com/lewtun) for adding this dataset.