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

- Librarian Bot: Add language metadata for dataset (3b4671fa4f521263bd9f6a8aa9b8a2d1b3a16e8a)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- es
 dataset_info:
   features:
   - name: text