Add project files.

TrackerLibrary/TeamModel.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace TrackerLibrary
+{
+    public class TeamModel
+    {
+        public List<PersonModel> TeamMembers { get; set; } = new List<PersonModel>();
+        public string TeamName { get; set; }
+    }
+}