init version of stripe checkout
move to stripe root dir, start working on stripe.js
remove todo comment.
wip
first working veriosn of stripe.js
[stripe] fix doc.
[stripe] add checkout support.
[stripe] auto open stripe checkbox popup.
[stripe] add docs for checkout
[stripe] add to supported payments list.
[stripe] add stripe keywords to compsoer.
[stripe] cleanup capture action, move some logic to other actions.
add twig factory, simplify first setup.
[doc] add link to paylink justpay payment
[klarna] fix tests.
[twig] add tests for factory.
[doc] add more supported payments.
[stripe] add tests.
 [stripe] finish tests for obtain token action  class
[stripe] add tests for capture action class.