feat: add exit to main tray window (#95)

Closes: #94

Author: ibetitsmike

App/ViewModels/TrayWindowViewModel.cs

@@ -301,4 +301,10 @@ public void SignOut()
             return;
         _credentialManager.ClearCredentials();
     }
+
+    [RelayCommand]
+    public void Exit()
+    {
+        _ = ((App)Application.Current).ExitApplication();
+    }
 }

App/Views/Pages/TrayWindowMainPage.xaml

@@ -249,5 +249,14 @@
 
             <TextBlock Text="Sign out" Foreground="{ThemeResource DefaultTextForegroundThemeBrush}" />
         </HyperlinkButton>
+
+        <HyperlinkButton
+            Command="{x:Bind ViewModel.ExitCommand, Mode=OneWay}"
+            Margin="-12,-8,-12,-5"
+            HorizontalAlignment="Stretch"
+            HorizontalContentAlignment="Left">          
+
+            <TextBlock Text="Exit" Foreground="{ThemeResource DefaultTextForegroundThemeBrush}" />
+        </HyperlinkButton>
     </StackPanel>
 </Page>