added peft as a submodule since VeRA is not yet released

[MJHamar]

This way we can always use a specific version of the PEFT library and break less stuff.

Also, instead of cloning, you can just git submodule update --init when you first pull this repo and then peft will also be included

[MJHamar]

Also

• removed the peft dependency from requirements.txt
• added a setup.sh script in the scripts directory that
  • creates a venv if necessary
  • pulls the peft library
  • installs all pip requirements
  • installs peft Once the setup is run, everything should work, I tested a couple scenarios

[m-krastev]

LGTM