These fields will be used for various things moving forward. The
currently intended use is to redact fields when sending data to
inara/edsm/eddn in case Frontier accidentally includes something that is
unwanted
Killswitch exists to allow us to disable features causing issues in
specific versions remotely.
The system is designed to support plugins, where they can request their
own killswitch list by querying any web file that follows our format
(docs to be added), and using the returned KillSwitchSet to check for
disabled features.