Hello i want edit my App Source Code

Hello i want to edit a source code for my app to insert Text/photo in Cards already designed
Input text { EN / AR } / image
Output pdf A4 with 2 type :
type 1 output A4 with 1 card
type 2 output A4 with 2 cards

Access Admin Can Add New Category / New Design / New Cards / New Users
Access User with Password give from the Admin

i have All Design you Need
i Need Two access of this App