Add a script to deploy/update Ploggy into an existing nanoc site.
Add a script to deploy/update Ploggy into an existing nanoc site.

This is useful to keep the clone of Ploggy clean, while still being able to use
Ploggy in a nanoc website. This script should be used when Ploggy is updated for
example: your local copy can then get the latest versions of the scripts.

Caster/Ploggy,Caster/Ploggy