Build a Shopify frontend alternative with Next.js and React and Mock API

We are an e-commerce marketplace on which we are using Shopify at the moment. We want to mimic the Shopify's shop frontend to support the following features: HOMEPAGE/OTHER PAGES SIMPLE CMS: * Displaying a homepage with the chosen sections with products or banners dynamically * Create pages and choose if its a sectioned/static text page (more templates will be added in the future) PRODUCTS: * Displaying a product listing * Search for products * Filter products based on different possibilities * Display product details (with vendor information) VENDORS/SELLERS: * Listing vendors * Displaying vendor details * Listing vendor's product list SHOPPING CART * Add items to the cart * Remove items from the cart * View shopping cart WISHLISTS: * Create wishlists (public/private) * Add items to the wishlist * Remove items from the wishlist CHECKOUT PROCESS * Shipping calculator based on conditions - per product/vendor/shipping company (considering the shipping may have to be done from different locations) * Possibility to get the item directly from the seller/vendor * Chose pickup points instead of address No login/authentication needs to be handled. All the authentication part is done and working. So for this project there is no need for user authenticated. We want to develop our marketplace with the following requirements: – [login to view URL] API backend for the e-commerce functionality – [login to view URL] / React on the frontend – Bootstrap 4 – We have our own designs and design iterations which are being developed. – Jest – unit testing