Frontend first draft

frontend/pweb/lib/pages/errors/not_found.dart

@@ -0,0 +1,19 @@
+import 'package:flutter/material.dart';
+
+import 'package:pweb/pages/errors/error.dart';
+
+import 'package:pweb/generated/i18n/app_localizations.dart';
+
+
+class NotFoundPage extends StatelessWidget {
+  const NotFoundPage({super.key});
+
+  @override
+  Widget build(BuildContext context) => Scaffold(
+    body: ErrorPage(
+      title: AppLocalizations.of(context)!.errorPageNotFoundTitle,
+      errorMessage: AppLocalizations.of(context)!.errorPageNotFoundMessage,
+      errorHint: AppLocalizations.of(context)!.errorPageNotFoundHint,
+    ),
+  );
+}