code: function createDefaults () {
   return {
      postsPerPage: 5,
      posts: './_posts/',
      showDrafts: process.env.NODE_ENV !== 'production',
      showFuture: process.env.NODE_ENV !== 'production',
      metaFormat: 'json',
      readMoreLink: readMoreLink,
      readMoreTag: '<!--more-->',
      routes: {
        '/post/:post': 'post',
        '/page/:page': 'page',
        '/tag/:tag': 'tag',
        '/category/:category': 'category'
      }
    };
  }
docs: Returns a fresh copy of default options
  
  @returns {Object}