Link stripe in the docs and clearly list payment options

[bogeeee]

Was just wondering that stripe did not offer me paypal. It only offered credit card. Luckily i still had one...
But it would be good if you linked to a site where payment methods are listed, and also which credit card types. Or even include that hint in the site, dependent on the browsers country settings.

So a lazy dev like me doesn't have to cross fingers that it will hopefull work out ;)

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[RubenRuCh]

Thanks a lot for the input @bogeeee!

We'll update the docs with clearer information about the payment methods. Also, I contacted Stripe to see if they can speed up the PayPal integration process - we've been waiting for some weeks now.

Sorry for the troubles!