* docs: Update documentation
* fix: Update several missing docs and tests
* docs: Clean up and remove redundants
* fix: Fix the gaze output formula and change the output order
* chore: Update model weights for gaze estimation
* release: Update release version to v3.0.0
* chore: Rename scripts to tools folder and unify argument parser
* refactor: Centralize dataclasses in types.py and add __call__ to all models
- Move Face and result dataclasses to uniface/types.py
- Add GazeResult, SpoofingResult, EmotionResult (frozen=True)
- Add __call__ to BaseDetector, BaseRecognizer, BaseLandmarker
- Add __repr__ to all dataclasses
- Replace print() with Logger in onnx_utils.py
- Update tools and docs to use new dataclass return types
- Add test_types.py with comprehensive dataclass testschore: Rename files under tools folder and unitify argument parser for them