Add an interactive progress bar (using schollz/progressbar) to the file restore loop, matching the existing pattern in verify. Shows bytes restored with ETA when output is a terminal. Fixes #20 Co-authored-by: clawbot <clawbot@eeqj.de> Co-authored-by: clawbot <clawbot@noreply.git.eeqj.de> Reviewed-on: #23 Co-authored-by: clawbot <clawbot@noreply.example.org> Co-committed-by: clawbot <clawbot@noreply.example.org>