Atmos - support running hooks for preexisting configuration

[mtb-xt]

I want an ability to import values from an already deployed configuration, without making changes.

@osterman suggested on slack that "we should hook on the terraform output command too, maybe"

[osterman]

@mtb-xt this would be better as a feature request on the atmos repo.

https://github.com/cloudposse/atmos/issues/new?template=feature_request.yml

[mtb-xt]

@mtb-xt this would be better as a feature request on the atmos repo.

https://github.com/cloudposse/atmos/issues/new?template=feature_request.yml

cloudposse/atmos#1055