Create registratrion page

Create a user registration page for farmers, retailers and drivers. The following fields will be required,

1. First Name (first_name)
2. Last Name (last_name)
3. Email (email)
4. Phone Number (phone)
5. A drop-down where the user can select whether they are a farmer, retailer or driver. (role)
6. Password (password)
7. Confirm Password (confirm_password)

The form should submit to the endpoint (/user/sign-up)