CausalQueries - Make, Update, and Query Binary Causal Models

Users can declare causal models over binary nodes, update beliefs about causal types given data, and calculate arbitrary queries. Updating is implemented in 'stan'. See Tietz, Medina, Syunyaev and Humphreys (2026) <doi:10.18637/jss.v117.i01>, Humphreys and Jacobs (2023) <doi:10.1017/9781316718636> and Pearl (2009) <doi:10.1017/CBO9780511803161>.