Upload folder using huggingface_hub (part 51)

.gitattributes

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+ "session": "EgoMotionActions/20261021/EC16/20261021_012953_session16",
+ "session_id": "20261021_012953_session16",
+ "primitive": "EC16",
+ "batch": "20261021",
+ "participant": "wangyang",
+ "participant_source": "manifest",
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+  "quaternions": "xyzw, Nokov global"
+ },
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