feat: Implemented basic item drag-and-drop

- Added bundle names
- Added system to update bundle names with entity name

src/lib.rs

@@ -40,6 +40,12 @@ impl InputAction {
     }
 }
 
+pub fn insert_entity_name(names: Query<(Entity, &mut Name), Added<Name>>) {
+    for (entity, mut name) in names {
+        name.mutate(|name| name.insert_str(0, format!("{entity}: ").as_str()));
+    }
+}
+
 fn camera_bundle() -> impl Bundle {
     (
         Camera2d,
@@ -54,6 +60,7 @@ fn camera_bundle() -> impl Bundle {
             scale: 1.,
             ..OrthographicProjection::default_2d()
         }),
+        Name::new("Camera2d"),
     )
 }
 
@@ -71,6 +78,7 @@ impl Plugin for ExpeditionPlugin {
             .add_systems(Update, (
                 player::handle_input,
                 ui::update_window_size,
+                insert_entity_name,
             ))
             .add_systems(OnEnter(GameState::Inventory), inventory::ui::setup_ui_inventory)
             .add_systems(OnExit(GameState::Inventory), inventory::ui::clear_ui_inventory)