Add python package face_recognition (transfer from ActiveVision by Markus)

CMakeLists.txt

python/CMakeLists.txt

python/face_recognition/CMakeLists.txt

python/face_recognition/README.rst

python/face_recognition/face_recognition/__init__.py

python/face_recognition/face_recognition/actions.py

python/face_recognition/face_recognition/app/__init__.py

python/face_recognition/face_recognition/db_model.py

python/face_recognition/face_recognition/face_detection.py

python/face_recognition/face_recognition/helper.py

python/face_recognition/pyproject.toml

python/face_recognition/setup.py

python/face_recognition/tests/__init__.py

python/face_recognition/tests/test.py