continue fleet summary, factor out helper class.

Stars Assistant/Model/FleetSummary.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace StarsAssistant.Model;
+
+public class FleetSummary
+{
+        public string Destination { get; set; } = string.Empty;
+        public int TotalIronium { get; set; }
+        public int TotalBoranium { get; set; }
+        public int TotalGermanium { get; set; }
+        public int TotalColonists { get; set; }
+
+        public override string ToString() => $"To {Destination}: {TotalIronium}I/{TotalBoranium}B/{TotalGermanium}G/{TotalColonists}C";
+}