Add dataset card YAML metadata

Add dataset card YAML metadata

Update README.md

Update README.md

Upload train video clips

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Update annotations-localization-train.json

Update annotations-localization-test.json

Update annotations-localization-valid.json

Upload annotations-localization-valid.json with huggingface_hub

Upload annotations-localization-train.json with huggingface_hub

Upload annotations-localization-test.json with huggingface_hub

initial commit