add history for room update

src/inventory/routes.rs

@@ -9,5 +9,5 @@ pub fn inventory_routes() -> Router<AppState> {
 
     Router::new()
         .route("/update_item/{item_id}/{item_amount}", put(update_inventory_item))
-        .route("/add_item/{item_name/{items_amount}", post(create_inventory_item))
+        .route("/add_item/{item_name}/{item_amount}", post(create_inventory_item))
 }