added line feed

Instructions/FeedInstruction.cs

@@ -0,0 +1,12 @@
+public class FeedInstruction : BaseInstruction
+{
+	public int lines {get; set; } = 1;
+	public override List<byte[]> GetInstructions()
+	{
+		var commands = new List<byte[]>();
+
+		commands.Add(e.FeedLines(lines));
+
+		return commands;
+	}
+}