Add project files.

Discovery/Program.cs

@@ -0,0 +1,18 @@
+using Inspectron.Epson;
+
+Console.WriteLine("Listening for printer responses...\n");
+
+var discoveryService = new PrinterDiscoveryService();
+
+var printers = await discoveryService.DiscoverPrintersAsync(
+    timeout: TimeSpan.FromSeconds(5),
+    onPrinterDiscovered: printer =>
+    {
+        Console.WriteLine($"Received {printer.ResponseData.Length} bytes from {printer.IPAddress}");
+        Console.WriteLine(printer.GetResponseDataAsHex());
+        Console.WriteLine();
+    });
+
+Console.WriteLine($"\nDiscovery complete. Found {printers.Count} printer(s).");
+
+