Add unified legislators.parquet from congress-legislators converter

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Remove deprecated non_individual directory (renamed to organizational)

Update recipient aggregates with individual/organizational breakdown

Rename non_individual to organizational in contribution filters

Add recipient aggregates (1980-2024)

Add non-individual contributions (1980-2024)

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Upload README.md with huggingface_hub

Upload distinct_legislators.parquet with huggingface_hub

initial commit