Added Models

Models/User.cs

@@ -0,0 +1,16 @@
+using System;
+
+namespace TextSender_API.Models;
+
+public class User
+{
+#region Properties
+    public int UserID { get; set; }
+    public string Firstname { get; set; }
+    public string Lastname { get; set; }
+    public string PhoneNumber { get; set; }
+    public string Username { get; set; }
+    public string Password { get; set; }
+    public DateTime DateCreated { get; set; }
+#endregion
+}