UpdateDialog: Add Link to Changelog

Elwig/Dialogs/UpdateDialog.xaml.cs

@@ -5,6 +5,7 @@ using System.IO;
 using System.Net.Http;
 using System.Threading.Tasks;
 using System.Windows;
+using System.Windows.Navigation;
 
 namespace Elwig.Dialogs {
     public partial class UpdateDialog : Window {
@@ -43,5 +44,12 @@ namespace Elwig.Dialogs {
 
             Process.Start(fileName);
         }
+
+        private void Hyperlink_RequestNavigate(object sender, RequestNavigateEventArgs e) {
+            Process.Start(new ProcessStartInfo {
+                FileName = e.Uri.ToString(),
+                UseShellExecute = true,
+            });
+        }
     }
 }