Added new Spec Book: 002_1951P_Spec Guide_2026.pdf

Added new door style: Nash White

Added new price category: NASH WHITE

Added new SKUs: W3936, W3942, B39, DRB19, DDF19, SHELF 39X12, DR1924, DR1936, DR1942

Updated prices based on 1951 Progressions Price Guide - November 2025 NEW.xlsx