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

- Librarian Bot: Add language metadata for dataset (abe56478d196d2db90b907b2f39d2c7c294cca5c)


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

README.md

@@ -1,4 +1,6 @@
 ---
+language:
+- sk
 license: odc-by
 dataset_info:
   features: