Add metadata for batch 37

batch_37_metadata.json

@@ -0,0 +1,7 @@
+{
+  "upload_time": "2025-06-23T08:08:30.435552",
+  "total_trees": 356,
+  "new_trees": 6,
+  "batch_number": 37,
+  "upload_interval": 30
+}