feat: Set as default browser

Author: Pinguin2001

src/GlobalUsings.cs

@@ -9,7 +9,6 @@
 global using System.Collections.Generic;
 global using System.Collections.ObjectModel;
 global using System.ComponentModel;
-global using System.IO;
 global using System.Linq;
 global using System.Runtime.CompilerServices;
 global using System.Runtime.InteropServices;

src/Pages/SettingsPage.xaml

@@ -36,6 +36,12 @@
                     Style="{StaticResource TitleTextBlockStyle}" />
                 <!--  General  -->
                 <TextBlock Style="{StaticResource SettingsSectionHeaderTextBlockStyle}" Text="General" />
+                <toolkitc:SettingsCard Header="Set as default">
+                    <toolkitc:SettingsCard.HeaderIcon>
+                        <FontIcon Glyph="&#xEB51;" />
+                    </toolkitc:SettingsCard.HeaderIcon>
+                    <Button Click="SetAsDefaultButton_Click" Content="Set as default" />
+                </toolkitc:SettingsCard>
                 <toolkitc:SettingsCard x:Uid="SearchEngine" HeaderIcon="Find">
                     <ComboBox x:Name="SearchEngineSelector">
                         <ComboBox.ItemTemplate>

src/Pages/SettingsPage.xaml.cs

@@ -54,6 +54,11 @@ protected override void OnNavigatedTo(NavigationEventArgs e)
         PasswordLockToggle.Toggled += PasswordLockToggle_Toggled;
     }
 
+    private async void SetAsDefaultButton_Click(object sender, RoutedEventArgs e)
+    {
+        await Launcher.LaunchUriAsync(new Uri("ms-settings:defaultapps?registeredAUMID=57443TechFireX.BlueBirdBrowser_zf5p29k4fpw22!App"));
+    }
+
     private void SearchEngineSelector_SelectionChanged(object sender, SelectionChangedEventArgs e)
     {
         SearchEngine engine = e.AddedItems[0] as SearchEngine;