feat: add debug information

lib/game/pinball_game.dart

@@ -195,7 +195,7 @@ class _DebugGameBallsController extends _GameBallsController {
 }
 
 class _DebugInformation extends Component with HasGameRef<DebugPinballGame> {
-  _DebugInformation() : super(priority: 0x7fffffff);
+  _DebugInformation() : super(priority: RenderPriority.debugInfo);
 
   @override
   PositionType get positionType => PositionType.widget;

packages/pinball_components/lib/src/components/render_priority.dart

@@ -113,4 +113,7 @@ abstract class RenderPriority {
   // Score Text
 
   static const int scoreText = _above + spaceshipRampForegroundRailing;
+
+  // Debug information
+  static const int debugInfo = _above + scoreText;
 }