Allow defining a link back to the original page from the checkout page

[sindresorhus]

Not urgent at all, but leaving it here so I don't forget.

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On my website, I link directly to the product's checkout page. It would be nice to be able to define a "back" link that would take the user back to the product page on my website.

Something like this:

Right now, I just added a back link to the product description: https://polar.sh/checkout/polar_c_KL8gPjQ2MXZSwKibSVLc6AI0ZkewIVAX3RAmt4Op66l

[pieterbeulque]

We now support return_url on checkout sessions.