feat(Layout): add custom favicon

src/app/ui/Layout.svelte

@@ -11,7 +11,7 @@
  * - Footer area (currently empty, reserved for future use)
  */
 import { BreadcrumbHeader } from '$entities/Breadcrumb';
-import favicon from '$shared/assets/favicon.svg';
+import GD from '$shared/assets/GD.svg';
 import { ResponsiveProvider } from '$shared/lib';
 import { ScrollArea } from '$shared/shadcn/ui/scroll-area';
 import { Provider as TooltipProvider } from '$shared/shadcn/ui/tooltip';
@@ -26,7 +26,7 @@ let { children }: Props = $props();
 </script>
 
 <svelte:head>
-    <link rel="icon" href={favicon} />
+    <link rel="icon" href={GD} />
     <link rel="preconnect" href="https://api.fontshare.com" />
     <link rel="preconnect" href="https://cdn.fontshare.com" crossorigin="anonymous" />