Upgrade to .NET 8 LTS and enhance installer functionality

- Upgraded from .NET 7 to .NET 8 LTS for better Windows 11 compatibility
- Added App.config with runtime switches to prevent DirectWrite crashes
- Moved software rendering initialization to App() constructor
- Disabled ReadyToRun compilation to avoid font rendering issues
- Enhanced installer with auto-launch after installation
- Removed license agreement screen from installer
- Added WiX heat.exe file harvesting for proper multi-file deployment
- Cleaned up old MSI files from repository

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

NfcActions/App.xaml.cs

@@ -25,6 +25,24 @@ public partial class App : Application
     private LogService? _logService;
     private MainViewModel? _viewModel;
 
+    public App()
+    {
+        // CRITICAL: Set software rendering mode BEFORE any WPF initialization
+        // This must be done in the constructor before InitializeComponent()
+        try
+        {
+            // Set environment variable as additional safeguard
+            Environment.SetEnvironmentVariable("DOTNET_SYSTEM_WINDOWS_DONOTUSEPRESENTATIONDPICAPABILITYTIER2ORGREATER", "1");
+
+            // Force software rendering
+            RenderOptions.ProcessRenderMode = System.Windows.Interop.RenderMode.SoftwareOnly;
+        }
+        catch
+        {
+            // If this fails, try to continue anyway
+        }
+    }
+
     private void Application_Startup(object sender, StartupEventArgs e)
     {
         // Ensure only one instance runs at a time
@@ -41,15 +59,6 @@ public partial class App : Application
             return;
         }
 
-        // Workaround for DirectWrite crash - force software rendering
-        try
-        {
-            RenderOptions.ProcessRenderMode = System.Windows.Interop.RenderMode.SoftwareOnly;
-        }
-        catch
-        {
-            // Ignore if this fails
-        }
         // Initialize services
         _logService = new LogService();
         _cardReaderService = new CardReaderService(_logService);