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

- Librarian Bot: Add language metadata for dataset (daa872190ea1e0a150b31174d85496886612454b)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- bg
 license: apache-2.0
 dataset_info:
   features: