Move logic out the the class libs

PointOfSale/Pos.Models/Json/PosReceipt.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Pos.Json
+{
+    public class PosReceipt
+    {
+        public string logoBase64 { get; set; } = string.Empty;
+        public HeaderModel[] header { get; set; } = Array.Empty<HeaderModel>();
+        public BodyModel bodyModel { get; set; } = new();
+        public FooterModel[] footer { get; set; } = Array.Empty<FooterModel>();
+    }
+}