update ui

lib/components/title_bar.dart

@@ -0,0 +1,25 @@
+import 'package:fluent_ui/fluent_ui.dart';
+import 'package:pixes/foundation/app.dart';
+
+class TitleBar extends StatelessWidget {
+  const TitleBar({required this.title, this.action, super.key});
+
+  final String title;
+
+  final Widget? action;
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+      child: Row(
+        children: [
+          Text(title,
+            style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),),
+          const Spacer(),
+          if(action != null)
+            action!
+        ],
+      ).paddingHorizontal(16).paddingVertical(8),
+    );
+  }
+}