example app: allow scroll in connect page

example/lib/pages/connect.dart

@@ -110,9 +110,11 @@ class _ConnectPageState extends State<ConnectPage> {
   Widget build(BuildContext context) => Scaffold(
         body: Container(
           alignment: Alignment.center,
+          child: SingleChildScrollView(
             child: Container(
               padding: const EdgeInsets.symmetric(
                 horizontal: 20,
+                vertical: 20,
               ),
               constraints: const BoxConstraints(maxWidth: 400),
               child: Column(
@@ -181,5 +183,6 @@ class _ConnectPageState extends State<ConnectPage> {
               ),
             ),
           ),
+        ),
       );
 }