[chore:] tiny improvements for ux

MainWindow.axaml.cs

@@ -11,6 +11,7 @@ namespace spplus;
 public partial class MainWindow : Window
 {
     public static MainWindow Instance { get; set; }
+    public static string ApplicationVersion = "v1.1.17";
     public MainWindow()
     {
         InitializeComponent();
@@ -40,7 +41,7 @@ public partial class MainWindow : Window
             Process.Start(new ProcessStartInfo
             {
                 FileName = "https://git.mypapercloud.de/fierke/spplus/wiki",
-                UseShellExecute = true // Wichtig für Plattformübergreifendes Öffnen
+                UseShellExecute = true 
             });
         }
         catch (Exception ex)
@@ -56,7 +57,7 @@ public partial class MainWindow : Window
             Process.Start(new ProcessStartInfo
             {
                 FileName = "https://git.mypapercloud.de/fierke/spplus",
-                UseShellExecute = true // Wichtig für Plattformübergreifendes Öffnen
+                UseShellExecute = true 
             });
         }
         catch (Exception ex)
@@ -75,7 +76,7 @@ public partial class MainWindow : Window
         Grid g = new();
         TextBlock tb = new()
         {
-            Text = "spplus v1.0.0\n(c)2026 MyPapertown, Elias Fierke"
+            Text = $"spplus {MainWindow.ApplicationVersion}\n(c)2026 MyPapertown, Elias Fierke"
         };
         g.Children.Add(tb);
         w.Content = g;
@@ -152,10 +153,10 @@ public partial class MainWindow : Window
 
     private void BtnCraftCourses_OnClick(object? sender, RoutedEventArgs e)
     {
-        // Craft courses here / call course-crafter
         CourseCrafter.Craft();
         RefreshResultView();
-        TbiResults.Focus();
+        TclMainView.SelectedIndex = 2;
+        //TbiResults.Focus();
     }
 
     private void RefreshResultView()