feat: Add button element (#56)

src/features/ui/mod.rs

@@ -1,8 +1,9 @@
-use crate::prelude::*;
+use crate::prelude::{button::update_buttons, *};
 use bevy::{input::mouse::*, picking::hover::HoverMap};
 
 pub mod components;
 pub mod consts;
+pub mod ui;
 
 pub struct UiPlugin;
 
@@ -10,6 +11,8 @@ impl Plugin for UiPlugin {
     fn build(&self, app: &mut App) {
         app.add_systems(Update, scroll_events);
         app.add_observer(on_scroll_handler);
+
+        app.add_systems(Update, update_buttons);
     }
 }