perl-devel-stacktrace-ashtml

• Path: arch/maintained/perl-devel-stacktrace-ashtml (new – vendored from AUR 2026-08-02, transitive dep of perl-plack -> thruk)
• 2026-08-02: added as a submodule from AUR. Its one real dependency, perl-devel-stacktrace, was already in official extra. Built+published cleanly (0.15-2), any package.