Adds From shadows as a standalone heist track

Requires BLT, Beardlib and Music Module
Drop the folder into mod_overrides

Stealth
https://www.youtube.com/watch?v=HS4pnBBpr5g

Loud
Control 0:32 - 1:02 
Anticipation 1:02 - 1:32
Assault is the rest
https://www.youtube.com/watch?v=O2soN-6rLw0