* tools.alignments - add export job
* plugins.extract: Update __repr__ for ExtractorBatch dataclass
* plugins.extract: Initial implementation of external import plugins
* plugins.extract: Disable lm masks on ROI alignment data import
* lib.align: Add `landmark_type` property to AlignedFace and return dummy data for ROI Landmarks pose estimate
* plugins.extract: Add centering config item for align import and fix filename mapping for images
* plugins.extract: Log warning on downstream plugins on limited alignment data
* tools: Fix plugins for 4 point ROI landmarks (alignments, sort, mask)
* tools.manual: Fix for 2D-4 ROI landmarks
* training: Fix for 4 point ROI landmarks
* lib.convert: Average color plugin. Avoid divide by zero errors
* extract - external:
- Default detector to 'external' when importing alignments
- Handle different frame origin co-ordinates
* alignments: Store video extension in alignments file
* plugins.extract.external: Handle video file keys
* plugins.extract.external: Output warning if missing data
* locales + docs
* plugins.extract.align.external: Roll the corner points to top-left for different origins
* Clean up
* linting fix