Modify an Existing Custom Divi Module

Before applying, please - Read the attached document to see if you are able to complete the project. - If you are not a Divi Expert please don't apply. I need the following: (On the attached document you can see all details of the project): 1.- Currently, Divi shop Extended Plugin has a custom module called Tanto Shop Module with two type of layouts. Carrousel and grid (with and without filter). I would like to add a new layout called list (see attached document for more details) 2.- I would like to add a function to define the border radius as well as to change the filter positions (see attached document for more details) Please Note that it should be a clean design and it should not affect other functions of the plugin itself. I will provide everything you need to complete the project.