feat: cleanups and API updates

Game/Game/GameServiceSource.cs

@@ -0,0 +1,29 @@
+using Godot;
+using GodotHostTest.Game.Level;
+using GodotHostTest.Game.Score;
+using GodotHostTest.Game.Target;
+using GodotHostTest.Interfaces;
+using Microsoft.Extensions.DependencyInjection;
+using OwofGames.GodotHost.Observability;
+using OwofGames.GodotLume;
+using RootServiceSource = GodotHostTest.AetherBind.RootServiceSource;
+
+namespace GodotHostTest.Game.Game;
+
+public partial class GameServiceSource : RootServiceSource
+{
+    [Export] private LevelsData _levelsData = null!;
+
+    protected override void Configure(Builder builder)
+    {
+        builder
+            .AddSingleton<ITargetEventBus, TargetEventBus>()
+            .AddSingleton<IScore, TotalScore>()
+            .AddLevelServices(_levelsData);
+    }
+
+    protected override void ConfigureServices(IServiceCollection serviceCollection)
+    {
+        serviceCollection.AddObservability(builder => builder.AddGrpcExporter("http://localhost:4317"));
+    }
+}