add language tag (#4)

- add language tag (6d13d2fa9b8b83e9b1be84e207669b0b846c9e9b)


Co-authored-by: Loïck BOURDOIS <lbourdois@users.noreply.huggingface.co>

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 tags:
 - summarization
 license: mit