[MTR4] FoameRail Pack

This repaint adds trains that were made and used by FoameRail.

Currently featured trains

• Class 599 Metrocar (batches 1 and 2 and refurbished)
• Eidan 9000 (refurbished, unrefurbished, pride and retro)
• BART cars (A and B Adtranz, C1 and C2, and D/E)
• M-Train
• C1141A / Tuen Ma Line C-Train
• SP1900 / IKK-Train
• MLR-Train
• Unrefurbished KCR Metro-Cammell EMU
• Urban Line C-Train
• Q-Train (Urban Line, and Lantau Island Railway main and baggage car variants)

Upcoming trains

• R-Train
• Tung Chung Line and Urban Line K-Train
• Tung Chung Line and Airport Express CAF-Train / A-Train
• S-Train
• possibly Disneyland Resort Line M-Train?

_YOU REQUIRE THE FOLLOWING PACK IN ORDER FOR THE PACK TO WORK:_

• LERT Q-train (version v3)