ECMLE 0.1.0

• Initial CRAN release.
• ecmle(): main estimator of the log marginal likelihood via ellipsoidal covering of the high-posterior-density region.
• rosenbrock_generate_data(), rosenbrock_exact_posterior(), rosenbrock_log_post(), rosenbrock_log_post_vec(): Rosenbrock (banana) posterior benchmark functions. The methodology is described in Naderi et al. (2025) https://doi.org/10.48550/arXiv.2510.20617.
• pair_plot(): lower-triangular pair plot for posterior sample matrices.
• plot_ecmle_2d(), draw_ellipse_2d(): 2-D visualisation of fitted ellipsoids and posterior samples.
• print(), summary(), and plot() S3 methods for "ecmle" objects.