Initialize dataset upload

LICENSE

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+Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
+SPDX-License-Identifier: CC-BY-NC-SA-4.0
+
+The AgiBot World Beta dataset and this processed derivative are distributed
+under CC BY-NC-SA 4.0. The complete license terms are available at:
+https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.en
+
+License summary: https://creativecommons.org/licenses/by-nc-sa/4.0/
+
+Attribution: AgiBot World Colosseum contributors (2024), AgiBot World Colosseum.
+Original dataset: https://huggingface.co/datasets/agibot-world/AgiBotWorld-Beta
+Project: https://github.com/OpenDriveLab/AgiBot-World
+
+This derivative changes video encoding and dimensions, state/action formatting,
+gripper normalization, episode selection, metadata, dataset splits and packaging.
+It is shared under the same CC BY-NC-SA 4.0 license.

README.md

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+---
+license: cc-by-nc-sa-4.0
+---
+
+# AgiBot World Beta processed episodes
+
+The dataset upload is in progress. The full dataset card and verified shard inventory will be available when the release is complete.