[#3] Elwig: Add user-friendly sync method

Elwig/App.xaml.cs

@@ -29,10 +29,11 @@ namespace Elwig {
         private readonly DispatcherTimer _autoUpdateTimer = new() { Interval = TimeSpan.FromHours(1) };
 
         public static readonly string DataPath = @"C:\ProgramData\Elwig\";
+        public static readonly string ConfigPath = Path.Combine(DataPath, "config.ini");
         public static readonly string ExePath = @"C:\Program Files\Elwig\";
         public static readonly string TempPath = Path.Combine(Path.GetTempPath(), "Elwig");
 
-        public static Config Config { get; private set; } = new(Path.Combine(DataPath, "config.ini"));
+        public static Config Config { get; private set; } = new(ConfigPath);
         public static int VersionMajor { get; private set; }
         public static int VersionMinor { get; private set; }
         public static int VersionPatch { get; private set; }