Added a new finish: Sherwin-Williams

Introduced new price categories: CP and SP

Added new products: VSB21-, VSB24, VSB27, VSB30, VDB__, VSSD__, DCSB36, PLY1242, PLY2434.5, PLY2496, SS2124, SS2724, SS3924, VSB36, W1854D_, W1860D_, OC33__24D, and OC33__24S, in accordance with Heritage WS/SP/CP pricing

Added a new specification book: Heritage Catalog.pdf

Added new finished end modifications

Updated pricing based on Heritage WS/SP/CP pricing. For products without a price update, pricing from the previous catalog update was retained across all price categories

Updated multipliers: WS, CP, and SP cost prices now use a 0.45 multiplier; WS, CP, and SP retail prices now use a 0.8491 multiplier