Librarian Bot: Add language metadata for dataset

README.md

@@ -1,11 +1,13 @@
 ---
+language:
+- de
 configs:
 - config_name: default
   data_files:
   - split: train
-    path: "track_a/deu.csv"
+    path: track_a/deu.csv
   - split: test
-    path: "track_a/oro.csv"
+    path: track_a/oro.csv
 ---
 ### Dummy dataset
 project_folder/