Import of PERLANCAR/App-dux-1.47 from CPAN.

gitpan-cpan-distribution: App-dux
gitpan-cpan-version:      1.47
gitpan-cpan-path:         PERLANCAR/App-dux-1.47.tar.gz
gitpan-cpan-author:       PERLANCAR
gitpan-cpan-maturity:     released