chore: add missing license headers and update copyright year

app/lib/features/geckoview/features/browser/presentation/widgets/navigation_buttons.dart

@@ -1,3 +1,22 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
 import 'package:flutter/material.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:weblibre/features/geckoview/domain/providers/tab_session.dart';

app/lib/features/settings/presentation/screens/error_logs_screen.dart

@@ -1,7 +1,5 @@
-// ignore_for_file: deprecated_member_use
-
 /*
- * Copyright (c) 2024-2025 Fabian Freund.
+ * Copyright (c) 2024-2026 Fabian Freund.
  *
  * This file is part of WebLibre
  * (see https://weblibre.eu).
@@ -19,6 +17,9 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+
+// ignore_for_file: deprecated_member_use
+
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';

app/test/features/geckoview/features/bookmarks/utils/bookmark_html_utils_test.dart

@@ -1,7 +1,5 @@
-// ignore_for_file: avoid_redundant_argument_values
-
 /*
- * Copyright (c) 2024-2025 Fabian Freund.
+ * Copyright (c) 2024-2026 Fabian Freund.
  *
  * This file is part of WebLibre
  * (see https://weblibre.eu).
@@ -20,6 +18,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+// ignore_for_file: avoid_redundant_argument_values
+
 import 'dart:io';
 
 import 'package:flutter_mozilla_components/flutter_mozilla_components.dart';

app/test/features/geckoview/features/bookmarks/utils/bookmark_json_utils_test.dart

@@ -1,7 +1,5 @@
-// ignore_for_file: avoid_redundant_argument_values, avoid_dynamic_calls
-
 /*
- * Copyright (c) 2024-2025 Fabian Freund.
+ * Copyright (c) 2024-2026 Fabian Freund.
  *
  * This file is part of WebLibre
  * (see https://weblibre.eu).
@@ -20,6 +18,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+// ignore_for_file: avoid_redundant_argument_values, avoid_dynamic_calls
+
 import 'dart:convert';
 import 'dart:io';