Intended to receive options that affect the setup process.
and won't be written to /etc/wsl.conf
Options relative to that conf file are handled by WslConfBase and
WslConfAdvanced.
Currently only the option for skip installing language packs is
available.
Grow a new API for enabling/disabling systemd experimental support. We
do this by chaining a specific command= in the boot section.
We preserve the user customized command= content when systemd
experimental support is not enabled.
Co-authored-by: Jean-Baptiste Lallement <jean-baptiste@ubuntu.com>