Handle input file formats
What does this MR do and why
- Add common preprocessing for all detectors which handles input files formats : only accepts JPEG, TIFF, BMP, PNG, WEBP, GIF and converts to JPEG all other formats (since all detectors need RGB images)
- Possibility for detectors to add next step of preprocessing with abstrat method _proprocess
How to set up and validate locally
poetry run pytest tests/
Closes #7
Edited by Sarah Cocher