Add update settings panel

Program.cs

@@ -1,16 +1,12 @@
 using Microsoft.Extensions.Logging;
-using NuGet.Versioning;
 using Serilog;
 using System;
 using Velopack;
-using Velopack.Sources;
 
 namespace WorldClockStatusWindow;
 
 internal class Program
 {
-    private static UpdateManager _updateManager;
-
     [STAThread]
     public static void Main(string[] args)
     {
@@ -28,8 +24,4 @@ internal class Program
 
         Log.Logger.Information("End");
     }
-
-    public static UpdateManager UpdateManager => _updateManager ??= new UpdateManager(new GithubSource("https://github.com/ckaczor/WorldClockStatusWindow", null, false));
-
-    public static string LocalVersion => (UpdateManager.CurrentVersion ?? new SemanticVersion(0, 0, 0)).ToString();
 }