feat: hooking observability.

Game/Root/GameServiceSource.cs

@@ -3,6 +3,8 @@ using GodotHostTest.Game.Level;
 using GodotHostTest.Game.Score;
 using GodotHostTest.Game.Target;
 using GodotHostTest.Interfaces;
+using Microsoft.Extensions.DependencyInjection;
+using OwofGames.AetherBind.Observability;
 using OwofGames.GodotLume;
 using RootServiceSource = GodotHostTest.AetherBind.RootServiceSource;
 
@@ -19,4 +21,9 @@ public partial class GameServiceSource : RootServiceSource
             .AddSingleton<IScore, TotalScore>()
             .AddLevelServices(_levelsData);
     }
+
+    protected override void ConfigureServices(IServiceCollection serviceCollection)
+    {
+        serviceCollection.AddObservability();
+    }
 }