feat(website): add app dir (#8869)

Co-authored-by: iCrawl <buechler.noel@outlook.com>

apps/website/src/app/providers.tsx

@@ -0,0 +1,20 @@
+'use client';
+
+import { ThemeProvider } from 'next-themes';
+import type { PropsWithChildren } from 'react';
+
+export function Providers({ children }: PropsWithChildren) {
+	return (
+		<ThemeProvider
+			attribute="class"
+			defaultTheme="system"
+			disableTransitionOnChange
+			value={{
+				light: 'light',
+				dark: 'dark',
+			}}
+		>
+			{children}
+		</ThemeProvider>
+	);
+}