added first test and some more doc strings

.vscode/settings.json

rq_controller/common/__pycache__/__init__.cpython-38.pyc

rq_controller/common/__pycache__/projection.cpython-38.pyc

...ler/common/__pycache__/projection_geometry.cpython-38.pyc

rq_controller/common/projection.py

rq_controller/common/projection_geometry.py

rq_controller/common/region_of_intrest.py

rq_controller/common/volume.py

test/__pycache__/test_copyright.cpython-38-pytest-8.2.2.pyc

test/__pycache__/test_flake8.cpython-38-pytest-8.2.2.pyc

test/__pycache__/test_pep257.cpython-38-pytest-8.2.2.pyc

test/__pycache__/test_projection.cpython-38-pytest-8.2.2.pyc

...he__/test_projection_geometry.cpython-38-pytest-8.2.2.pyc

...ache__/test_region_of_intrest.cpython-38-pytest-8.2.2.pyc

test/__pycache__/test_volume.cpython-38-pytest-8.2.2.pyc

test/test_copyright.py

test/test_flake8.py

test/test_pep257.py

test/test_projection.py

test/test_projection_geometry.py