Lots of data and model setup

SVSim.Database/Models/ViewerClassData.cs

@@ -0,0 +1,20 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace SVSim.Database.Models;
+
+[Owned]
+public class ViewerClassData
+{
+    public int Level { get; set; }
+    public int Exp { get; set; }
+    
+    #region Navigation Properties
+
+    public ClassEntry Class { get; set; } = new ClassEntry();
+
+    public Viewer Viewer { get; set; } = new Viewer();
+
+    public LeaderSkinEntry LeaderSkin { get; set; } = new LeaderSkinEntry();
+
+    #endregion
+}