comexr: Client for the Brazilian Foreign Trade Statistics API ('ComexStat')

Interface to the 'ComexStat' API from the Brazilian Ministry of Development, Industry, Trade and Services (MDIC). Provides access to detailed export and import data, including general trade statistics (1997-present), city-level data, historical data (1989-1996), and auxiliary tables with product codes (NCM - Nomenclatura Comum do Mercosul, NBM - Nomenclatura Brasileira de Mercadorias, HS - Harmonized System), countries, economic classifications (CGCE - Classificacao por Grandes Categorias Economicas, SITC - Standard International Trade Classification, ISIC - International Standard Industrial Classification), and other categories. Uses only 'httr2' for HTTP requests and 'cli' for console messages.