Librarian Bot: Add language metadata for dataset (#1)

- Librarian Bot: Add language metadata for dataset (b65126c52cf7591c1b6f31fe4d3b801a3f033251)


Co-authored-by: Librarian Bot (Bot) <librarian-bot@users.noreply.huggingface.co>

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 license: cc0-1.0
 tags:
 - ChatGPT