extractly v0.1.2 mix xtra.help

Usage:

mix xtra [options]... [template]

Options:

--help     Prints short help information to stdout and exits.
--version  Prints the current version to stdout and exits.
--verbose  Prints additional output to stderr

--output filename
          The name of the file the rendered template is written to, defaults to the templates'
          name, without the suffix `.eex`

Argument:

template, filename of the [`EEx`](https://hexdocs.pm/eex/EEx.html) template to use, defaults to `"README.md.eex"`