[Feature request] have the ability to pick a minimal install

[killertofus]

Issue/Bug Description:
if you want to choose in the install process what packages you want to keep/remove you can't do that , you have to do that after, this should be in the iso to pick what packages you want, or pick just xorg/wayland to install everything your self

Expected behavior:

step X on the install process
[] libreoffice
[X] vlc
[] gnome-disks
[] nemo
Other Notes: