feat: add remote products and qr code for payconic

lib/views/widgets/managed_on_website_notice.dart

@@ -1,24 +0,0 @@
-import 'package:flutter/material.dart';
-
-import '../../l10n/app_localizations.dart';
-
-/// Tells that the products of a paired tablet are managed on the website.
-class ManagedOnWebsiteNotice extends StatelessWidget {
-  const ManagedOnWebsiteNotice({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    final colors = Theme.of(context).colorScheme;
-
-    return Card(
-      color: colors.secondaryContainer,
-      child: ListTile(
-        leading: Icon(Icons.language, color: colors.onSecondaryContainer),
-        title: Text(
-          AppLocalizations.of(context).productsManagedOnWebsite,
-          style: TextStyle(color: colors.onSecondaryContainer),
-        ),
-      ),
-    );
-  }
-}