Librarian Bot: Add language metadata for dataset

README.md

@@ -1,16 +1,18 @@
 ---
+language:
+- en
 license: mit
 configs:
 - config_name: static
   data_files:
   - split: test
-    path: "static.csv"
+    path: static.csv
 - config_name: temporal
   data_files:
   - split: test
-    path: "temporal.csv"
+    path: temporal.csv
 - config_name: disputable
   data_files:
   - split: test
-    path: "disputable.csv"
+    path: disputable.csv
 ---