Added notifications

Added shopping cart and items
Added quotes
Refactored relatinoships
Migrated changes
Refactored cqrs commands and queries
Refactored mappings

LiteCharms.Features/Refunds/Queries/GetRefundQuery.cs

@@ -0,0 +1,18 @@
+using LiteCharms.Models;
+
+namespace LiteCharms.Features.Refunds.Queries;
+
+public class GetRefundQuery : IRequest<Result<OrderRefund>>
+{
+    public Guid OrderRefundId { get; set; }
+
+    private GetRefundQuery(Guid orderRefundId) => OrderRefundId = orderRefundId;
+
+    public static GetRefundQuery Create(Guid orderRefundId)
+    {
+        if(orderRefundId == Guid.Empty)
+            throw new ArgumentException("Customer ID is required.", nameof(orderRefundId));
+
+        return new(orderRefundId);
+    }
+}