[feature] option to delete a request

[diegoulloao]

I've been enjoying posting, in testing phase now, one thing it catches my attention is that there's no option to delete a request, sometimes I accidentally create a new request and I'd like to remove it somehow from the TUI.

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Suggestion: ctrl+d for delete a request.
(with confirm box dialog)

It could be included at the bottom as the rest of shortcuts.

[darrenburns]

This was added in a recent release :)