New features and refactor

[vseager]

• Added support for configurable product highest and lowest price
• Added support for configurable product highest and lowest weight
• Added support for Yotpo reviews
• Include offers with the correct information for all configurable product children
• Fixed pricing when product is discounted
• Add description for CMS pages
• Improved page type declaration
• Added publisher information
• Added breadcrumbs
• Some other general refactoring