fix(website): migration from old website

apps/website/src/hooks/useSystemThemeFallback.ts

@@ -0,0 +1,13 @@
+'use client';
+
+import { useEffect } from 'react';
+
+export function useSystemThemeFallback() {
+	useEffect(() => {
+		const theme = localStorage.getItem('theme');
+		if (theme === 'auto') {
+			localStorage.setItem('theme', 'system');
+		}
+		// eslint-disable-next-line react-hooks/exhaustive-deps
+	}, []);
+}

apps/website/src/hooks/useUnregisterServiceWorker.ts

@@ -0,0 +1,14 @@
+'use client';
+
+import { useEffect } from 'react';
+
+export function useUnregisterServiceWorker() {
+	useEffect(() => {
+		// eslint-disable-next-line promise/prefer-await-to-then
+		void navigator.serviceWorker.getRegistrations().then((registrations) => {
+			for (const registration of registrations) {
+				void registration.unregister();
+			}
+		});
+	}, []);
+}