Add new OPFOR Preset RHSUSAF

[Dabako]

Q	A
Bug fix?	no
New feature?	no
Needs wipe?	no

Description:

I was missing an preset to play as Russian against US Troops, I added one myself and thought you could use it

Content:

• [x] Added new OPFOR Preset for RHS USAF Woodland

Successfully tested on:

• [x] Local MP
• [x] Dedicated MP