Ferric Alpha v0.1.0

Ferric Alpha v0.1.0 is the first pre-alpha release.\n\nHighlights:\n- Rust + Polars factor analysis core inspired by alphalens.\n- Python package with Polars data-frame APIs.\n- Factor preparation, IC, returns, turnover, portfolio series, and tear-sheet data models.\n- Native HTML/SVG/PNG report rendering.\n\nPackages:\n- PyPI: https://pypi.org/project/ferric-alpha/0.1.0/\n- crates.io core: https://crates.io/crates/ferric-alpha/0.1.0\n- crates.io renderer: https://crates.io/crates/ferric-alpha-render/0.1.0\n\nInstall:\n```bash\npip install ferric-alpha\ncargo add ferric-alpha\ncargo add ferric-alpha-render\n```