Frontend first draft

frontend/pweb/lib/widgets/logo.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+
+class ServiceLogo extends StatelessWidget {
+  final double size;
+
+  const ServiceLogo({ super.key, this.size = 48 });
+
+  @override
+  Widget build(BuildContext context) => SizedBox(
+    height: size,
+    width: size,
+    child: Image.asset('resources/logo.png'),
+  );
+}