Librarian Bot: Add language metadata for dataset (#2)

- Librarian Bot: Add language metadata for dataset (ae7c3862653cfffd3bcab74d1f15fe0b04517dad)


Co-authored-by: Librarian Bot (Bot) <[email protected]>

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- en
 license: apache-2.0
 ---