Changelog ========= Unreleased ---------- Initial release. - Parallel batch fitting via Rayon (:func:`~gaussfit_rs.fit_spectra_batch`) - Single-spectrum fitting (:func:`~gaussfit_rs.fit_single_spectrum`) - f32 and f64 low-level Gaussian fitting - :class:`~gaussfit_rs.FitResult` named result type - Bounded Levenberg-Marquardt optimiser with configurable tolerances