Build me a e commerce aap like Amazon and add my new future list in it

User roles and Functionalities:-

1 End User:

 Signup
 Login
 Create Profile, Update Profile
 Brows Items
 Select Items
 Add to cart
 Payments
COD
Payment Gateway:-
RazorPay
 Variants in product setting
 Wallet (Wallet amount can only be used in the system itself)
 Live tracking of delivery boy
 Notifications
 Rate and Review
 Add Address
 Coupons
 Offers
 Search and Filter
 In-App Notification
 Forgot Password
 T&Cs
 Privacy Policy
 FAQs
 Logout

2. Delivery Boy:-

 Signup
 Login
 Profile
 Accept Order
 Get the route map for order delivery
 Notifications
 Order delivery
 Logout


3. Vendor :-

 Login
 Sign-up
 Product Management
 Order Management
 Pending Orders
 Received Payment
 Invoice
 Notification
 Logout


4. Admin:-

 Login
 User Management
 Product Management
 Delivery Boy Management
 Order details with customer details
 Automatic + manual assignment of the orders
 Dashboard for:
Current Order
Pending order
On the move orders
 Sales Report
 Bulk Upload
 Invoices
 Support Pages
 Privacy Policy
 T&C pages
 FAQs
 Manage Users
 Manage Categories
 Add Categories of Products
 Cash:
Orders
Received
 Logout
Something more I am missing please contact me and share all the details
The app should be more smooth then Amazon or Flipkart