file scoped namespaces (#565)

Wino.Mail/Views/ImapSetup/PreparingImapFoldersPage.xaml.cs

@@ -15,16 +15,15 @@ using Windows.UI.Xaml.Navigation;
 
 // The Blank Page item template is documented at https://go.microsoft.com/fwlink/?LinkId=234238
 
-namespace Wino.Views.ImapSetup
+namespace Wino.Views.ImapSetup;
+
+/// <summary>
+/// An empty page that can be used on its own or navigated to within a Frame.
+/// </summary>
+public sealed partial class PreparingImapFoldersPage : Page
 {
-    /// <summary>
-    /// An empty page that can be used on its own or navigated to within a Frame.
-    /// </summary>
-    public sealed partial class PreparingImapFoldersPage : Page
+    public PreparingImapFoldersPage()
     {
-        public PreparingImapFoldersPage()
-        {
-            this.InitializeComponent();
-        }
+        this.InitializeComponent();
     }
 }