Docs: Update comment for create_item (#4919)

Author: ScipioWright

docs/world api.md

@@ -561,7 +561,7 @@ from .items import is_progression  # this is just a dummy
 
 
 def create_item(self, item: str) -> MyGameItem:
-    # this is called when AP wants to create an item by name (for plando) or when you call it from your own code
+    # this is called when AP wants to create an item by name (for plando, start inventory, item links) or when you call it from your own code
     classification = ItemClassification.progression if is_progression(item) else ItemClassification.filler
     return MyGameItem(item, classification, self.item_name_to_id[item], self.player)