feat: add R3LIVE dataset with metadata and sequences

R3LIVE/README.md

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+# [R3LIVE Dataset](https://github.com/ziv-lin/r3live_dataset)

R3LIVE/degenerate_seq_00/degenerate_seq_00_0.mcap

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R3LIVE/degenerate_seq_00/metadata.yaml

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R3LIVE/degenerate_seq_01/degenerate_seq_01_0.mcap

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R3LIVE/degenerate_seq_01/metadata.yaml

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R3LIVE/degenerate_seq_02/degenerate_seq_02_0.mcap

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R3LIVE/degenerate_seq_02/metadata.yaml

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R3LIVE/hku_campus_seq_00/hku_campus_seq_00_0.mcap

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+size 1483175025

R3LIVE/hku_campus_seq_00/metadata.yaml

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R3LIVE/hku_campus_seq_01/hku_campus_seq_01_0.mcap

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R3LIVE/hkust_campus_00/hkust_campus_00_0.mcap

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R3LIVE/hkust_campus_00/metadata.yaml

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