Add run in console mode

[sewbacca]

Since we already use pipes, it should be easy for us to enable running programs directly inside the terminal, because we are no longer relying on stdio, which is currently one of the biggest downsides of the local lua debugger imho.

[k24w24]

I wanna run in terminal mode, too.

[sewbacca]

@k24w24 I currently have not the time to implement this, but a PR would be welcome!