Setting up the wallpaper and logos sent from the generator to the build server

[pranav1698]

• Issue type: Feature request

Short description

The wallpaper and logo url is now sent to the build server as an environment variable, We need to find an efficient way to set up the wallpaper or the logo for the meilix-default desktop.
There is already a default wallpaper and a default sddm theme logo, this will give the ability to the user to choose a wallpaper of his choice.

Usecase

This feature will help to create custom distributions that will have wallpaper and logo pre-configured and chosen by the user.