Handle script run on initial setup or after setup

[aisgbnok]

Summary

Packages can be installed during OOBE (initial setup) or right from a user profile (after setup). There are some important distinctions that need to be made depending on which scenario the package is installed.

Details / To Do

• Correctly detect if the package is being installed on or after initial setup.
• If initial setup, then inject settings.json into the default user directory.
• If after setup, then handle according to Do scripts overwrite settings? #32