Fix build and add some assets

src/main.rs

@@ -1,7 +1,3 @@
-//! Standalone binary for game-test: `cargo run` plays the game
-//! without the editor. The editor's Play button runs the same
-//! [`game_test::GamePlugin`] through its own game runner instead.
-
 use bevy::asset::AssetMode::Processed;
 use bevy::camera_controller::free_camera::FreeCameraPlugin;
 use bevy::image::{ImageAddressMode, ImagePlugin, ImageSamplerDescriptor};
@@ -30,7 +26,7 @@ fn main() -> AppExit {
     App::new()
         .add_plugins(default_plugins)
         .add_plugins(avian3d::prelude::PhysicsPlugins::default())
-        .add_plugins(game_test::GamePlugin)
+        .add_plugins(shinespark::GamePlugin)
         .add_plugins(FreeCameraPlugin)
         .add_plugins(EguiPlugin::default())
         .add_plugins(WorldInspectorPlugin::default()) // adds default options and `InspectorEguiImpl`s