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

- Librarian Bot: Add language metadata for dataset (7222378b25e101b5c600f691ce43fc850e0a531e)


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

README.md

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