Add some extra debug output during a crash

This should be temporary and help with getting the relevant raw item
data to debug and write tests

d2warehouse/parser.py

@@ -411,7 +411,13 @@ def parse_items(data: bytes) -> list[Item]:
 
     items: list[Item] = []
     while data:
-        data, item = parse_item(data)
+        try:
+            data, item = parse_item(data)
+        except:
+            print("parse_item crashed with", data.hex())
+            if items:
+                print("previous item was", items[-1].raw_data.hex())
+            raise
         items.append(item)
 
     # TODO: check if num == len(items)