Support for positioning the lable at the top of output

[rorourke-iot]

In the same way LINQPad will put it's label at the beginning of Dump output.

¦ Heading
¦ ╭───────────────╮
¦ │ "Output Data" │
¦ ╰───────────────╯

[MoaidHathot]

Hi @rorourke-iot, I'll see what I can do. Maybe I can expose configuration for setting the style of labels.

[rorourke-iot]

I stepped through the code looking for where the caption is written out. I got as far as console.Write(_renderable); in SpectreConsoleRenderedObject:Output where it became a black box.