DTOs for index mostly done, doing DB models

SVSim.Database/Models/ViewerMissionData.cs

@@ -0,0 +1,12 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace SVSim.Database.Models;
+
+[Owned]
+public class ViewerMissionData
+{
+    public bool HasReceivedPickTwoMission { get; set; }
+    public int MissionReceiveType { get; set; }
+    public DateTime MissionChangeTime { get; set; }
+    public int TutorialState { get; set; }
+}