Adds a charge to the cart for carrier bags. This is a requirement by law in the UK.
I have made it possible to specify the amount to charge incase you are not using single use bags and want to charge customers anyway.
Charge will be included to all orders.
I would like to thank @ryanmitchell who helped with some of the coding. Thank you.
Permissions have been added
This is the initial release of Carrier Bag Charge.