Improve handling of run make when .runfile is present

[DannyBen]

The core command run make is creating a new Runfile if one is not present.
Since the addition of the .runfile option, I believe we should also consider its presence the same, and not create a runfile if .runfile is present.

With the current situation, the command run make is sort of "reserved" and cannot be used when .runfile is used.

• Also consider renaming run make to run new
• Also consider adding something like run new config that will create .runfile sample