Add project files.

Inspectron.Epson/Queue/PrintServer.cs

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+using Microsoft.Extensions.Logging;
+
+public class PrintServer
+{
+    private readonly IPrintService _printService;
+    private readonly ILogger _logger;
+    private readonly Dictionary<string, PrinterQueue> _printerQueues;
+
+    public PrintServer(IPrintService printService, ILogger logger)
+    {
+        _printService = printService;
+        _logger = logger;
+        _printerQueues = new Dictionary<string, PrinterQueue>();
+        
+    }
+
+    public void RegisterPrinter(string printerIp)
+    {
+        if (_printerQueues.ContainsKey(printerIp))
+            return;
+
+        var queue = new PrinterQueue(printerIp, _printService,_logger);
+        _printerQueues[printerIp] = queue;
+        queue.Start();
+        Console.WriteLine($"Printer {printerIp} registered");
+    }
+
+    public void UnregisterPrinter(string printerIp)
+    {
+        if (_printerQueues.TryGetValue(printerIp, out var queue))
+        {
+            queue.StopAsync().Wait();
+            _printerQueues.Remove(printerIp);
+            Console.WriteLine($"Printer {printerIp} unregistered");
+        }
+    }
+
+    public void SubmitJob(string printerIp, PrintJob job)
+    {
+        if (_printerQueues.TryGetValue(printerIp, out var queue))
+        {
+            queue.Enqueue(job);
+        }
+        else
+        {
+            _logger.LogWarning( $"Printer {printerIp} not found. Job cannot be submitted.");
+        }
+    }
+
+    public Dictionary<string, int> GetQueueStatus()
+    {
+        var status = new Dictionary<string, int>();
+        foreach (var kvp in _printerQueues)
+        {
+            status[kvp.Key] = kvp.Value.QueueLength;
+        }
+        return status;
+    }
+
+    public async Task ShutdownAsync()
+    {
+        var stopTasks = _printerQueues.Values.Select(q => q.StopAsync());
+        await Task.WhenAll(stopTasks);
+        Console.WriteLine("Print server shut down");
+    }
+}