Frontend first draft

frontend/pweb/lib/pages/payment_methods/delete_confirmation.dart

@@ -0,0 +1,23 @@
+import 'package:flutter/material.dart';
+import 'package:pweb/generated/i18n/app_localizations.dart';
+
+Future<bool> showDeleteConfirmationDialog(BuildContext context) async {
+  final l10n = AppLocalizations.of(context)!;
+  return await showDialog<bool>(
+    context: context,
+    builder: (_) => AlertDialog(
+      title: Text(l10n.delete),
+      content: Text(l10n.deletePaymentConfirmation),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(false),
+          child: Text(l10n.cancel),
+        ),
+        ElevatedButton(
+          onPressed: () => Navigator.of(context).pop(true),
+          child: Text(l10n.delete),
+        ),
+      ],
+    ),
+  ) ?? false;
+}