[MTR4] Moszyan Railways Resources for MTR

Adds the Class 360 by Soodari, as well as fixing the missing cars of the Trident Railways SNG and new sounds for the Class 308, based on the Mat'64.

A new operator makes its debut in the form of Réllinje Kręstíne! This competition to Moszyan Railways runs trains both in the Krestona local area, but also in Thadanorka's Mūñkran area as foreign operator (hence why this company's trains will also appear in the PRL pack).

For part 1 of the update, this pack now contains RK's Class 432 train in both /0 and /5 variants, based on the BR Class 458 Juniper unit, with sounds from ceruliian and yours truly.