Update guest v2 branding and theming

resources/js/guest-v2/App.tsx

@@ -6,6 +6,7 @@ import { router } from './router';
 import { ConsentProvider } from '@/contexts/consent';
 import { AppearanceProvider } from '@/hooks/use-appearance';
 import { useAppearance } from '@/hooks/use-appearance';
+import ToastHost from './components/ToastHost';
 
 export default function App() {
   return (
@@ -26,6 +27,7 @@ function AppThemeRouter() {
   return (
     <Theme name={themeName}>
       <RouterProvider router={router} />
+      <ToastHost />
     </Theme>
   );
 }