feat: plunger rocket

lib/game/game_assets.dart

@@ -57,6 +57,7 @@ extension PinballGameAssetsX on PinballGame {
       images.load(components.Assets.images.sparky.bumper.c.inactive.keyName),
       images.load(components.Assets.images.backboard.backboardScores.keyName),
       images.load(components.Assets.images.backboard.backboardGameOver.keyName),
+      images.load(Assets.images.components.rocket.path),
       images.load(Assets.images.components.background.path),
     ];
   }

lib/gen/assets.gen.dart

@@ -21,9 +21,9 @@ class $AssetsImagesComponentsGen {
   AssetGenImage get background =>
       const AssetGenImage('assets/images/components/background.png');
 
-  /// File path: assets/images/components/plunger.png
-  AssetGenImage get plunger =>
-      const AssetGenImage('assets/images/components/plunger.png');
+  /// File path: assets/images/components/rocket.png
+  AssetGenImage get rocket =>
+      const AssetGenImage('assets/images/components/rocket.png');
 }
 
 class Assets {