Polish (Mods by Scailman) - en to pl translation catalogue (2 entries)

[ctx: br_class05/steam_engine_6.trainunit#DisplayName]
en: Br Class 05 Engine
pl: Lokomotywa Br Class 05

[ctx: br_class05/steam_engine_6_tender.trainunit#DisplayName]
en: Br Class 05 Tender
pl: Tender Br Class 05
