Add project files.

Framework/Serial/SerialReader.cs

@@ -0,0 +1,13 @@
+namespace TheXamlGuy.Framework.Serial;
+
+public abstract class SerialReader<TContent>
+{
+    public SerialReader(Stream stream)
+    {
+        Stream = stream;
+    }
+
+    public Stream Stream { get; }
+
+    public abstract IAsyncEnumerable<TContent> ReadAsync();
+}