Oct-to-tiff

* Add support for extracting segmentation lines
* Add mutually exclusive group to parser
* Drop support for Python 3.7
* Refactoring

* Add support for Retina Map scan pattern
* Add support for ONH scan pattern
* Add basic logging functionality
* Add workflow for publishing to PyPI
* Add CITATION.cff
* Update GitHub action versions
* Refactoring

* Add support for en face images
* Add support for segmentation data
* Add --output optional argument for specifying a custom output directory
* Add workflow for publishing to TestPyPI
* Fix --size optional argument description
* Format using black and sort imports using isort
* Prepare for Zenodo release
* Refactoring

* Fixed bug when checking for 3D Disc scan pattern

* Initial release