Tandem addon for Next Gen Scania by Siperia

Mod will add:
VAK box
VAK related parts
Kraker box
NTM box
NTM related parts
Ekeri box
Ekeri related parts
3 tandem chassis
VBG hook
Sidecovers and rails
Domar wheelcovers
Parlok wheelcovers
Zepro tail-lift
4 coolers Lumikko, Thermo King, Carrier
Trailer cables support
And more

Changelog:
- two new locators added to chassis body_logo_1(4m boxes) and body_logo_2(4.4m boxes)
- box_marker_l locator added to chassis
- NTM, VAK, Ekeri logos added to the boxes
- Ekeheat unit added to Ekeri non-cooler boxes
- Heaters added to VAK and NTM non-cooler boxes
- Col.boxes added to cargoboxes, Def lines added
- S idemarkers separated from NTM/VAK/Ekeri boxes and made new models
- Kerb weights adjusted
- Standalone cabs, should not conflict with other mods. Mods adding new parts will need suitable_for[]: lines to defs.