Adapt base login page

moneymgr_mobile/lib/routes/login/base_auth_page.dart

@@ -0,0 +1,36 @@
+import 'package:flextras/flextras.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_gutter/flutter_gutter.dart';
+import 'package:go_router/go_router.dart';
+
+import '../../services/router/routes_list.dart';
+
+class BaseAuthPage extends StatelessWidget {
+  final List<Widget> children;
+
+  const BaseAuthPage({super.key, required this.children});
+
+  @override
+  Widget build(BuildContext context) {
+    void onSettingsPressed() => context.push(settingsPage);
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('MoneyMgr'),
+        actions: [
+          IconButton(
+            onPressed: onSettingsPressed,
+            icon: const Icon(Icons.settings),
+          ),
+        ],
+      ),
+      body: SeparatedColumn(
+        padding: EdgeInsets.all(context.gutter),
+        separatorBuilder: () => const Gutter(),
+        mainAxisAlignment: MainAxisAlignment.center,
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: children,
+      ),
+    );
+  }
+}