Add a META.json to the distribution. Your buildtool should be able to autogenerate it.

Add 'use warnings' (or its equivalents) to all modules, or convince us that your favorite module is well-known enough and people can easily see the modules warn when something bad happens.

Error: Excel::Template, Excel::Template::Base, Excel::Template::Container, Excel::Template::Container::Bold, Excel::Template::Container::Conditional, Excel::Template::Container::Format, Excel::Template::Container::Hidden, Excel::Template::Container::Italic, Excel::Template::Container::KeepLeadingZeros, Excel::Template::Container::Locked, Excel::Template::Container::Loop, Excel::Template::Container::Outline, Excel::Template::Container::Row, Excel::Template::Container::Scope, Excel::Template::Container::Shadow, Excel::Template::Container::Strikeout, Excel::Template::Container::Workbook, Excel::Template::Container::Worksheet, Excel::Template::Context, Excel::Template::Element, Excel::Template::Element::Backref, Excel::Template::Element::Cell, Excel::Template::Element::Formula, Excel::Template::Element::FreezePanes, Excel::Template::Element::Image, Excel::Template::Element::MergeRange, Excel::Template::Element::Range, Excel::Template::Element::Var, Excel::Template::Factory, Excel::Template::Format, Excel::Template::Iterator, Excel::Template::TextObject

Add all modules contained in this distribution to the META.yml field 'provides'. Module::Build or Dist::Zilla::Plugin::MetaProvides do this automatically for you.