feat: first cut at actual token generation and model loading

src/main.rs

@@ -11,6 +11,10 @@ use app::{App, Message, app_icon, app_theme};
 use iced::{Size, window};
 
 fn main() -> iced::Result {
+    #[cfg(target_os = "macos")]
+    if let Err(error) = engine::configure_metal_sources() {
+        eprintln!("DS4Server: {error}");
+    }
     iced::daemon(App::title, App::update, App::view)
         .subscription(App::subscription)
         .theme(|_, _| app_theme())