nostr:npub1guh5grefa7vkay4ps6udxg8lrqxg2kgr3qh9n4gduxut64nfxq0q9y6hjy nostr:npub1qny3tkh0acurzla8x3zy4nhrjz5zd8l9sy9jys09umwng00manysew95gx are there any projects/products that can handle monthly subscriptions or automated monthly billing with bitcoin/lightning? I could use the BTCPay API to make it, but does anything support it out of the box?