You can access the module management through the “Extensions” on the top bar and “Module Manager”.
By clicking on the green “New” button a new module is created.
As a module type, you select “Custom HTML”. This module allows you to create custom HTML.
Click on the “Source Code” in the text editor that appears.
In the last phase, you copy the HTML package code into the dialog box and save it. Then save the entire module with the “Save” button.