It isn't used anywhere

Various code quality improvements to the cookbook code

See merge request !336

Sha256 is slower than blake3 and all recipes use blake3 now.

Migrate the template scripts to /usr

See merge request !334

This is both faster and more correct.

It is unused.

Also search for init configs in /usr/lib/init.d

See merge request !335

This will allow moving the system init configs to this place, keeping
/etc/init.d for local overrides.

Move games from /games to /usr/games

See merge request !333

add --nonstop option to not exit on error

See merge request !332