feat: lighting system

- Added lamp bundle
- Moved door collider to its children
- Updated level structure

src/layout/light.rs

@@ -0,0 +1,26 @@
+use bevy::prelude::*;
+use bevy_light_2d::prelude::*;
+
+use crate::meters;
+
+const LAMP_IMAGE_PATH: &'static str = "sprites/interactive/lamp.png";
+
+#[derive(Component, Clone, Copy, Default, Reflect, Debug, PartialEq, Eq)]
+#[reflect(Component, Clone, Default, Debug, PartialEq)]
+#[require(Transform)]
+pub struct Lamp;
+
+pub fn lamp_bundle(asset_server: &Res<AssetServer>, pos: Vec2, intensity: f32, radius: f32) -> impl Bundle {
+    let image = asset_server.load(LAMP_IMAGE_PATH);
+    (
+        SpotLight2d {
+            intensity,
+            radius,
+            source_width: meters(0.5),
+            cast_shadows: true,
+            ..default()
+        },
+        Transform::from_xyz(pos.x, pos.y, 0.),
+        Sprite::from_image(image),
+    )
+}