ESD - Digital Items Expand - Functions - Shopware 5

Extend the ESD function in Shopware 5. We sell license keys. What it should be able to do: For some products in our webstore we need the ability to sell 1 license key to multiple clients. Example : Key A is sold to customer A,B,C,D,E,F - Set limit on how many times the license can be sold to x customers. - Add a function to resend the email with the licensecode and manual to customer when needed. - Send Email with the licensecode and text for how many computers the software is and manual guide on how the product needs to be installed ( only if the status is on completely paid ) - Set the order to completely delivered after delivery of digital products. - Checkout as guest. - Attach the invoice in an email (could also be the standard email of Completely shipped). - Shipping method is Email. Looking forward to an offer if possible.