feat: implement localization support and add language settings

WeModPatcher/App.xaml.cs

@@ -2,6 +2,7 @@
 using System.Threading.Tasks;
 using System.Windows;
 using WeModPatcher.Core;
+using WeModPatcher.Core.Services;
 using WeModPatcher.View.MainWindow;
 using MessageBox = System.Windows.Forms.MessageBox;
 
@@ -14,6 +15,7 @@ namespace WeModPatcher
     {
         protected override void OnStartup(StartupEventArgs e)
         {
+            LocalizationManager.Initialize();
             this.MainWindow.Show();
         }