Add pre-loaded Resupply variants of the MUTT

[m0kka]

MUTT-I (Plt Supplies)

Should contain:

• 2x ARC Squad Box
• 2x Commando Squad Box
• 3x Trooper Squad Box
• 1x Advanced Medical Box

MUTT-C (Cmpy Supplies)

Should contain:

• 2x Covert Ops Squad Box
• 5x ARC Squad Box
• 5x Commando Squad Box
• 8x Trooper Squad Box
• 4x Advanced Medical Box

in addition to the "default" supplies (fuel/FS squad)

[gumbekk]

PR made, needs to be merged

[gumbekk]

merged