Update .gitattributes

Rename metadata/.gitattributes to .gitattributes

Rename 000_00021.parquet to metadata/000_00021.parquet

Rename 000_00018.parquet to metadata/000_00018.parquet

Rename metadata/.gitattributes to .gitattributes

Rename 000_00001.parquet to metadata/000_00001.parquet

Rename .gitattributes to metadata/.gitattributes

Rename curation_audit.jsonl to logs/curation_audit.jsonl

Rename train.jsonl to data/train.jsonl

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initial commit