Add project files.

Inspectron.Epson/DiscoveredPrinter.cs

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+namespace Inspectron.Epson;
+
+/// <summary>
+/// Represents a discovered Epson printer
+/// </summary>
+public class DiscoveredPrinter
+{
+    public string ModelName { get; set; }
+    public string IPAddress { get; set; }
+    public string MACAddress { get; set; }
+    public int Port { get; set; }
+    public DateTime DiscoveredAt { get; set; }
+    public byte[] RawResponse { get; set; }
+    public string ServiceUrl { get; set; }
+    public ushort Lifetime { get; set; }
+    public string ServiceType { get; set; }
+
+    public override string ToString()
+    {
+        return $"Model: {ModelName}, IP: {IPAddress}, MAC: {MACAddress}, Type: {ServiceType}";
+    }
+}