Added notifications

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

LiteCharms.Features/Orders/Queries/GetCustomerOrdersQuery.cs

@@ -0,0 +1,18 @@
+using LiteCharms.Models;
+
+namespace LiteCharms.Features.Orders.Queries;
+
+public class GetCustomerOrdersQuery : IRequest<Result<Order[]>>
+{
+    public Guid CustomerId { get; }
+
+    private GetCustomerOrdersQuery(Guid customerId) => CustomerId = customerId;
+
+    public static GetCustomerOrdersQuery Create(Guid customerId)
+    {
+        if (customerId == Guid.Empty)
+            throw new ArgumentException("CustomerId is required.", nameof(customerId));
+
+        return new(customerId);
+    }
+}