Added common language enum. Fixed "romaji" spelling. More UI updates.

MangaReader.WinUI/MainWindow.xaml.cs

@@ -1,5 +1,3 @@
-using MangaReader.Core.Search;
-using MangaReader.Core.Sources.MangaDex.Api;
 using Microsoft.UI.Xaml;
 
 namespace MangaReader.WinUI;
@@ -8,7 +6,7 @@ public sealed partial class MainWindow : Window
 {
     private const string ApplicationTitle = "Manga Reader";
 
-    public MainWindow(IMangaSearchCoordinator mangaSearchCoordinator, IMangaDexClient mangaDexClient)
+    public MainWindow()
     {
         InitializeComponent();