message: document using locally-installed cookiecutter
  This avoids running Docker in Docker.
  See
  See also where it is configurable.
diff: @@ -87,7 +87,8 @@ follows:
  _note_ Currently the templaters that we provide are basically Docker action
  containers that are run on top of the skeleton folder. This keeps dependencies
  to a minimal for running backstage scaffolder, but you don't /have/ to use
  -Docker. You could create your own templater that spins up an EC2 instance and
  +Docker. You can `pip install cookiecutter` to run it locally in your backend.
  +You could create your own templater that spins up an EC2 instance and
  downloads the folder and does everything using an AMI if you want. It's entirely
  up to you!
  