Update csv_editor with rotated table option

[ltfschoen]

use CSS to rotate table so it's shown as:

instead of as:

reference: https://stackoverflow.com/a/5800696

[maciejhirsz]

I thought about it and I don't think I want to merge this.

The columns being, well, columns makes more sense in most cases. I gather your details table in the invoice example you're working on is different, but that should be handled there. If it was a setting to flip here I'd maybe reconsider, but even then I think CSS isn't the best way of doing it since it breaks border-collapse rules.

[ltfschoen]

I understand. I think good decision to close as this change also makes it difficult to understand what's going on when debugging as the row and col values don't match with the UI