tbnb 0.1.0

• First R release.
• itbnb() formula and matrix interfaces.
• Tb-NB core: log-odds Bayes scoring with Laplace smoothing.
• K-fold cross-validated threshold optimisation against 10 criteria.
• iTb-NB iterative refinement with mode = "kde" or mode = "clt".
• P-value extension introduced in Romano (2025, doi:10.1007/978-3-031-96736-8_41): tbnb_pvalues(fit, type = c("document", "feature"), method = c("clt", "kde")). summary(fit, pvalues = TRUE) lists the significant features.
• Optional word-embedding semantic augmentation of the Bag-of-Words (tbnb_embedding() — not in the reference papers).
• S3 methods: print, summary, predict, coef, plot.
• Bundled toy dataset toy_reviews (200 short fictional hotel reviews).