WiP setup of new preprocessor structure

preprocessor/Dockerfile

preprocessor/get_min_max.py

preprocessor/preprocessor.py

preprocessor/preprocessor/abc.py

preprocessor/preprocessor/archive.py

preprocessor/preprocessor/cli.py

preprocessor/preprocessor/daemon.py

preprocessor/preprocessor/local.py

preprocessor/preprocessor/metadata.py

preprocessor/preprocessor/preprocess.py

preprocessor/preprocessor/swift.py

preprocessor/preprocessor/transfer.py

preprocessor/setup.py

preprocessor/transform_chain.py