Add language tag

For better referencing :)

README.md

@@ -23,7 +23,11 @@ dataset_info:
     num_examples: 93498
   download_size: 0
   dataset_size: 108828862682
+language:
+- fr
+- en
 ---
+
 # Dataset Card for "french_30b2"
 
 [More Information needed](https://github.com/huggingface/datasets/blob/main/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)