Librarian Bot: Add language metadata for dataset

README.md

@@ -1,11 +1,13 @@
 ---
+language:
+- es
 configs:
-  - config_name: default
-    data_files:
-    - split: train
-      path: "data/train/*.jsonl"
-    - split: validation
-      path: "data/val/*.jsonl"
-    - split: test
-      path: "data/test/*.jsonl"
----
+- config_name: default
+  data_files:
+  - split: train
+    path: data/train/*.jsonl
+  - split: validation
+    path: data/val/*.jsonl
+  - split: test
+    path: data/test/*.jsonl
+---