Southern Railway Liveries for Immersive Railroading

为 SR 资源包添加更多涂装。
需要使用来自 https://curseforge.com/minecraft/texture-packs/southern-railway-pack-for-immersive-railroading
的机车加粗表示扩展版包含：
SECR P

• 27
• 178
• 323 “Bluebell”
• 753
• 753 “Pride of Sussex”

SECR O1

• 65 “Bramble”

LBSCR A1 和 A1x

• 36 “Bramley”
• 49 “Bishopsgate”
• 50 “Sutton”
• 51 “Rotherhithe”
• 52 “Surrey”
• 54 “Waddon”
• 55 “Stepney”
• 57 “Thames”
• 62
• 65 “Tooting”
• 66 “Hatchham”
• 70 “Poplar”
• 72 “Fenchurch”
• 78
• 82 “Boxhill”
• SECR 751
• LSWR 734、735
• W8 “Freshwater”
• W11

LBSCR D1

• 10 “Banstead”
• 12 “Wallington”
• 20 “Carshalton”
• 24 “Brambletye”
• 230 “Brookhouse”

LBSCR E2

• SECR 绿色饰线涂装

LSWR O2

• W25 “Godshill”