Create app and website

Build a website and app (Android + Apple) The objective of this app/website is to list various traders and their services with pricing. The clients will use the app/website to look for a service (i.e. electricians, plumbers, pet sitters etc.) and order the service through their chosen provider (similar to uber eats / drivers but for traders in a small town).  Key features:1. main page: - ability to explore by category (unlimited, starting with 20) once clicked on that category there will be a list of vendors with their logos (unlimited number)- search function to look up key words to narrow down search (ex. plumber, name of vendor, clogged toilet)- section to have featured ads at the top - specials section for vendors to promote their specials 2. Ordering feature: once the client clicks into the vendor and finds the desired service, they add to cart and check out (the direct debit check out page should be built but we will do the plugin from our end later). The client should have an account that stores their address(es) and phone number and upon check out can select the address where the service is required. Comments section (ex. preferred delivery time, etc.) 3. Back end functionalities:  - Vendor's ability to list themselves as unavailable if they are unable to take on any clients for the day. Vendor should be able to respond directly to the order noting estimated service delivery time. - Admin/Owner would have superuser functionality to make a vendor unavailable (which the vendor can not override) if they do not pay their bill. Admin/Owner superuser would have the only credentials allowed to add a new vendor and upload their list of services onto the website/app, as well as block client users when required. The only thing that I think is critical to know at this time is that payment plug has to be created from our end because we are located in Cayman and there is only 1 bank (that we know off) that does direct plug ins for our currency. Would like to consider adding the functionality of paying through crypto/bitcoin in the future.