Added shared projects

LiteCharms.Features/Customers/Queries/GetCustomersQuery.cs

@@ -0,0 +1,24 @@
+using LiteCharms.Models;
+
+namespace LiteCharms.Features.Customers.Queries;
+
+public class GetCustomersQuery : IRequest<Result<Customer[]>>
+{
+    public DateOnly From { get; set; }
+
+    public DateOnly To { get; set; }
+
+    private GetCustomersQuery(DateOnly from, DateOnly to)
+    {
+        From = from;
+        To = to;
+    }
+
+    public static GetCustomersQuery Create(DateOnly from, DateOnly to)
+    {
+        if (from > to)
+            throw new ArgumentException("From date cannot be greater than To date.");
+
+        return new(from, to);
+    }
+}