upload 3d indoor semantic segmentation

.gitattributes

@@ -177,3 +177,175 @@ nlp/Soccer-Sentiment-Classification/annotation.json filter=lfs diff=lfs merge=lf
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3D/comprehension/3d_indoor_semantic_segmentation/scannet/3d_points/scene0030_00/scene0030_00_vh_clean.aggregation.json

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