Is your feature request related to a problem? Please describe.
Suppose I have a Board named, "@Test"
and inside that board, I have a few tasks/notes,
i.e.

@Test
    2. [ ] task 1
    3.  *  note 1
    6. [ ] task 2 (though do note that this is non-sequential)

to delete this, from my understanding, I'd need to run the command

tb -d 2 3 6

While this is fine for most boards, I just went to delete a board that had 20+ items, and as you can imagine, it was a little bit tedious making sure I didn't delete the wrong numbered item.

Describe the solution you'd like
Why not instead of having to type

tb -d 2 3 6

I just have to type

tb -d @Test

And remove all the items in that board (including the respective board)

This is a really cool little tool, aside from this small inconvenience, I'm really enjoying just how usable it is!