Set desktop default and minimum window size

src/Duempelkas.Desktop/Program.cs

@@ -33,7 +33,7 @@ class Program
             Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
             "Duempelkas", "window.json");
 
-        int savedWidth = 1280, savedHeight = 768;
+        int savedWidth = 1280, savedHeight = 800;
         if (File.Exists(settingsPath))
         {
             try
@@ -51,6 +51,9 @@ class Program
             .SetSize(savedWidth, savedHeight)
             .SetUseOsDefaultSize(false);
 
+        app.MainWindow.MinWidth = 768;
+        app.MainWindow.MinHeight = 480;
+
         // Persist window size on resize
         app.MainWindow.RegisterSizeChangedHandler((_, size) =>
         {