Update README.md

README.md

@@ -38,6 +38,7 @@ data_files:
 
 # 3) Tell HF that metadata.parquet is your preview table,
 #    and explicitly name which columns are images.
+
 preview:
   path: metadata.csv
   images:
@@ -45,6 +46,11 @@ preview:
     - osm
     - dem
     - mask
+configs:
+  - config_name: benchmark
+    data_files:
+      - split: sustainbench
+        path: metadata.csv
 ---