main changes

src/main.rs

@@ -3,6 +3,7 @@ use bevy::{prelude::*, window::PresentMode};
 use crate::background::BackgroundPlugin;
 use crate::camera::CameraPlugin;
 use crate::collision::CollisionPlugin;
+use crate::obstacle::ObstaclePlugin;
 use crate::player::PlayerPlugin;
 
 mod background;
@@ -26,5 +27,6 @@ fn main() {
         .add_plugins(PlayerPlugin) // Player
         .add_plugins(CameraPlugin) // Camera
         .add_plugins(CollisionPlugin) // Collisions
+        .add_plugins(ObstaclePlugin)
         .run();
 }