优化更新代码，添加界面功能并整合

ShrlAlgo.Addin.Test/Customer.cs

@@ -0,0 +1,15 @@
+namespace ShrlAlgo.Addin.Test;
+
+public class Customer
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; }
+    public string Address { get; set; }
+    public string City { get; set; }
+    public string Country { get; set; }
+    public string ZipCode { get; set; }
+    public string Phone { get; set; }
+    public string Email { get; set; }
+    public string ContactName { get; set; }
+    public IEnumerable<Order> Orders { get; set; }
+}