Add language tag (#1)

- Add language tag (fc0c63e48e40ad4dfb3dde21ac9c52fadee2e405)


Co-authored-by: Loïck BOURDOIS <[email protected]>

README.md

@@ -90,4 +90,6 @@ configs:
   data_files:
   - split: train
     path: data/train-*
+language:
+- fr
 ---