Build a Browser Extension (One store)

Build a browser extension which shows our business icon on a retail store's website, showing that we provide a free delivery service for them. The browser extension shows our icon on the first page, guide the customer to select the "Order online Pick up at store option in the cart, and on the check out shows an icon, by clicking on it, the name of the driver is added as the pick-up person and the delivery address will be asked from the shopper. Upon completion of the shopping process, the record of the item, order confirmation number, order price, store at which it should be picked up will be saved in a database.