These Twig templates are meant to be used with the static assets for the default StyleguideKit. The Twig templates are for the "view all" view in Pattern Lab PHP.
Pattern Lab PHP uses Composer to manage project dependencies. To install the Mustache templates run:
composer require pattern-lab/styleguidekit-twig-default
In order to modify these templates you need to install the following:
Once you've installed the requirements do the following to set-up for development:
cd /path/to/dev-edition/packages/pattern-lab/styleguidekit-twig-defaultgit config branch.dev.remote origin
Simply edit the files in views/.