Add project files.

Framework/Serial/SerialConnectionStreamer.cs

@@ -0,0 +1,13 @@
+using System.IO.Ports;
+
+namespace TheXamlGuy.Framework.Serial;
+
+public class SerialConnectionStreamer : ISerialConnectionStreamer
+{
+    public SerialConnectionStreamer(SerialPort serial)
+    {
+        Stream = serial.BaseStream;
+    }
+
+    public Stream Stream { get; }
+}