Upload webdataset/metadata_subj01.json with huggingface_hub

webdataset/metadata_subj01.json

@@ -1,7 +1,7 @@
 {
     "totals": {
-        "train": 24983,
-        "val": 492,
-        "test": 493
+        "train": 27150,
+        "val": 300,
+        "test": 300
     }
 }