implement startup database loading (path still hardcoded)

Stars Assistant/Model/Game.cs

@@ -0,0 +1,23 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+
+namespace StarsAssistant.Model;
+
+public class Game
+{
+    /// <summary>
+    /// Dummy primary key, normally not used, but makes working with EF easier.
+    /// </summary>
+    public int GameId { get; set; }
+
+    /// <summary>
+    /// The base path in which all game files reside.
+    /// </summary>
+    public string GamePath { get; set; } = String.Empty;
+
+    /// <summary>
+    /// The base name without extensions of your game, inside the GamePath folder.
+    /// All dependant files are resolved using this name.
+    /// </summary>
+    public string BaseName { get; set; } = String.Empty;
+}

Stars Assistant/Model/StarsDatabase.cs

@@ -37,7 +37,7 @@ public class StarsDatabase(string DbPath) : DbContext
     /// <summary>
     /// The record with all game metadata, will only contain a single line at all times.
     /// </summary>
-    // public DbSet<Game> Game { get; set; }
+    public DbSet<Game> Game { get; set; }
 
     #endregion
 }