Add-on Resource manager Payment Option

Hello XenForo community!
I need someone to add a feature to this old add-on it's open source on github and i'm will to pay a we bucks for these features to be added. PM me if you are interested.

Features that needs to be added:
  • The abllity to pay for a paid add-on through paypal here are a few examples.

Once you click this you will get the next page:

This is an information tab it doesn't need to be exactly the same as this but it does need the Pay with PayPal in it.

After you click pay with paypal you will be sent to a page that looks like this.