The CheckoutPage widget is a stateless widget resembling your typical
checkout page and some typical option along with some helpful features
such as built-in form validation and credit card icons that update
based on the input provided.
This is a UI widget only and holds no responsibility and makes no guarantee
for transactions using this ui. Transaction security and integrity is
the responsibility of the developer and what ever Third-party transaction
api that developer is using. A great API to use is Stripe
The CheckoutPageFooter is a pre-constructed footer that only requires url
links to the desired publicly accessible terms of service page and terms
of service page. There is also the ability to add a foot note that can be
also be linked to a publicly accessible webpage.