feat(ui-iced): implement settings screen with navigation and basic UI elements

crates/iced-video/examples/minimal.rs

@@ -11,9 +11,12 @@ pub fn main() -> iced::Result {
         .with(tracing_subscriber::EnvFilter::from_default_env())
         .init();
     iced::application(State::new, update, view)
-        .subscription(|state| match &state.video {
-            Some(video) => video.subscription_with(state, keyboard_event),
-            None => keyboard_event(state),
+        .subscription(|state| {
+            // Foo
+            match &state.video {
+                Some(video) => video.subscription_with(state, keyboard_event),
+                None => keyboard_event(state),
+            }
         })
         .run()
 }