[FEATURE REQUEST] nr.gen_cfg to file then read from file with nr.cfg

[bodleytunes]

Hi
Just creating one for the ability to read from file a previously saved generated config snippet when doing an nr.cfg config apply.
example workflow something like.

nr.cfg_gen tf=rollback_config
nr.cfg from_file=rollback_config or file_read... or rf=rollback_config   etc

Jon.