Built test page for testing tray output for debugging in main app.

PrintService/Program.cs

@@ -17,6 +17,7 @@ IHost host = Host.CreateDefaultBuilder(args)
         services.AddSingleton<ConfigurationService>();
         services.AddSingleton<PrintQueueService>();
         services.AddSingleton<FileMonitorService>();
+        services.AddSingleton<ContentTransformer>();
         services.AddSingleton<PrinterService>();
         services.AddSingleton<DocumentProcessor>();
         services.AddSingleton<IpcService>();