Add 2 new cade types

[Mantlecrawler]

About The Pull Request

Adds folding metal barricades, and non folding plasteel cades
Folding metal cades

• 6 Metal to make, 8 seconds to make (same as other cades)
• 350 max integrity
• Cannot be upgraded, cannot be linked
• Same armor as metal cades (MELEE = 0, BULLET = 30, LASER = 30, ENERGY = 30, BOMB = 0, BIO = 100, FIRE = 80, ACID = 40)
  

Nonfolding plasteel cades

• 3 plasteel to make, 8 seconds to make (same as other cades)
• 400 Max integrity
• Cannot be upgraded
• Same armor as plasteel folding cades (MELEE = 0, BULLET = 30, LASER = 30, ENERGY = 30, BOMB = 0, BIO = 100, FIRE = 80, ACID = 50
  

Ported from CM, who ported them from RUTGMC

Why It's Good For The Game

More engineering content, more ways for marines to build tism forts.

Changelog

🆑 Cheese (Ported from CM who ported it from RUTGMC)
add: 2 new cade types, made with plasteel and metal respectively.
/:cl:

[Aporhtonoma]

engie update my beloved how I missed you

[Mannybrado]

YAAAAAAAAAAAAAAAAAAAAAAAAH WE LIKE FORTNITE

[TiviPlus]

can you rename it to be /folding
and /solid
or something because
/plasteel/metal
/metal/plasteel
is very unclear