done navigator bundling for frontend

bundled users' and homes' screen to BottomTabNavigator

Stripe payment are done in both backend and frontend

products are done

orders screen of users and orders screen of admin are done

billingAddress screen and shippingAddress screen done

frontend cart and user done

frontend UI

add PostMan json api

test git commit for frontEnd

done all API

finnish country, state, cart, orderItem, review API

finished security, user api, brand api, category api

backend models finished

first commit