wqrr 1.0.0

• Initial CRAN release.
• Eight wavelet-quantile estimators: wavelet_qr(), multivariate_wqr(), wavelet_qqr(), np_quantile_causality(), wavelet_np_causality(), wavelet_mediation(), wavelet_quantile_correlation(), wavelet_quantile_density().
• MODWT decomposition with waveslim::mra and Short / Medium / Long band aggregation.
• Interactive plotly visualisations defaulting to MATLAB Parula (parula_colors(), wqrr_colorscales()). Companion palettes for Jet, Turbo, BlueRed, Sinha, Green-Orange-Red, Green-Yellow-Red.
• Vignette wqrr-introduction with a real-data walkthrough on a 30-year monthly synthetic dataset (inst/extdata/wqrr_data.csv).
• For plain Quantile-on-Quantile regression see the companion CRAN package QuantileOnQuantile.