How to order items via catalog URL?

Clicking on Catalog URL will open the screen with the items along with images and prices of them. Mouse hover on the image of the item will display the option of adding that item to cart.

Quantity of items can be updated in the cart. Provide name, mobile number and OTP will place the order from the customer end.

This order placed from customer end will be added as a Sales Indent under Registers → Marketing → Sales Indent Register, from where the normal flow of approving sales indent and then creating sales order will go on.