refactor: remove electron-related code

src/pages/secondary/NotFoundPage/index.tsx

@@ -0,0 +1,15 @@
+import SecondaryPageLayout from '@/layouts/SecondaryPageLayout'
+import { useTranslation } from 'react-i18next'
+
+export default function NotFoundPage() {
+  const { t } = useTranslation()
+
+  return (
+    <SecondaryPageLayout hideBackButton>
+      <div className="text-muted-foreground w-full h-full flex flex-col items-center justify-center gap-2">
+        <div>{t('Lost in the void')} 🌌</div>
+        <div>(404)</div>
+      </div>
+    </SecondaryPageLayout>
+  )
+}