Remove cdn link to hightlight.js #119
Description
Use a local dependency instead of cdn link.
https://github.com/cleverage/garden-starter-kit/blob/master/.gsk/kss/index.twig#L13-L15
https://github.com/cleverage/garden-starter-kit/blob/master/.gsk/kss/index.hbs#L13-L15
https://github.com/cleverage/garden-starter-kit/blob/master/.gsk/tools/doc/jsdoc.hbs#L11-L16
https://github.com/cleverage/garden-starter-kit/blob/master/.gsk/tools/doc/staticdoc.hbs#L11-L16