update projection / integrae get function

examples/generated/example_detector.json

examples/generated/example_projection.json

pyproject.toml

scripts/generate_example_data.py

scripts/get_projection_geometry.py

scripts/set_schema_versions_and_date.py

src/thd_json/detector/__init__.py

src/thd_json/detector/detector.json

src/thd_json/dict_converter.py

src/thd_json/header/header.json

src/thd_json/image/image.json

src/thd_json/projection/__init__.py

src/thd_json/projection/projection.json

src/thd_json/projection_geometry/__init__.py

src/thd_json/projection_geometry/projection_geometry.json

src/thd_json/projection_matrix/projection_matrix.json

src/thd_json/roi/roi.json

src/thd_json/source/source.json

src/thd_json/validation.py

src/thd_json/volume/volume.json