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

- Librarian Bot: Add language metadata for dataset (a757844591fd7d2e184f90297318d49d4f6ab3bb)


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

README.md

@@ -1,3 +1,5 @@
 ---
+language:
+- en
 license: mit
 ---