Add metadata for batch 22

batch_22_metadata.json

@@ -0,0 +1,7 @@
+{
+  "upload_time": "2025-06-23T07:59:29.815736",
+  "total_trees": 234,
+  "new_trees": 8,
+  "batch_number": 22,
+  "upload_interval": 30
+}