Merge branch 'fix-attention-gif-transparency' into 'main'

.gitattributes

dan/ocr/predict/__init__.py

dan/ocr/predict/attention.py

dan/ocr/predict/inference.py

docs/assets/example_line.gif

docs/assets/example_line_polygon.gif

docs/assets/example_word.gif

docs/usage/predict/index.md

requirements.txt

tests/test_prediction.py