rmdd 0.0.0.1

• mdd_distribution_map() adds customizable Natural Earth distribution maps with automatic zoom and exact/partial input reconciliation.
• mdd_distribution_summary() adds country-, continent-, and subregion-level diversity tables with counts of orders, families, genera, living species, and extinct species.
• mdd_matching() adds staged reconciliation across checklist names and synonyms using exact and fuzzy matching.
• mdd_taxon_info() returns accepted-name summaries, grouped taxonomic sections, and linked synonym records from packaged MDD data.