Right now it's just a quickly thrown together plugin for a project. You have to use the Stripe.js library etc. to get the token, you have to hardcode what to charge. But it's cool, it should allow you to to quickly getting up and running taking payments through Guestr Entries, if you have very simple needs and want to hack it.
- composer update to install the Stripe SDK library
- Put the plugin folder into craft/plugins/
- Hack