feat: reordering

CarManagerV3/StateManager.cs

@@ -119,6 +119,17 @@ namespace CarManagerV3
             filePath = path;
         }
 
+        public static List<Car> normalizeOrders(List<Car> cars)
+        {
+            // Normalize the Order field of all cars to be sequential starting from 1, while keeping the relative order the same.
+            var orderedCars = cars.OrderBy(c => c.Order).ToList();
+            for (int i = 0; i < orderedCars.Count; i++)
+            {
+                orderedCars[i].Order = i + 1;
+            }
+            return orderedCars;
+        }
+
         public static bool askForMigration()
         {
             if (hasConfirmedMigration)