Dreams Front-End Store Patch v1

Included:
- index.html
- shop.html
- product.html
- checkout.html
- credit-application.html
- product1.html
- js/storefront.js
- css/storefront.css

This patch turns the front-end into a first storefront layer with a real shop, real product pages, checkout, and credit application pages posting to the new backend endpoints.
