feat: add offline model manager

src-tauri/src/lib.rs

@@ -26,6 +26,7 @@ pub fn run() {
             ui_commands::copy_ready_text,
             ui_commands::request_insert_text,
             ui_commands::list_models,
+            ui_commands::download_default_model_command,
             ui_commands::get_settings,
             ui_commands::save_settings
         ])