Add Jared read-only token OHLCV ingestion and manual contract lookup

Add Jared read-only token OHLCV ingestion and manual contract lookup

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Update core/data.py

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Upload core/train_eval.py with huggingface_hub

Zero GPU fixes

Rename core/train_eval (3).py to core/train_eval.py

Rename core/signals (1).py to core/signals.py

Rename core/plot (9).py to core/plot.py

Rename core/models (1).py to core/models.py

Rename core/model_runner (2).py to core/model_runner.py

Rename core/data (1).py to core/data.py

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Create core/__init__.py