Adds more part customization for the AK platform gun
This ranges from AK (AK-74); AK.762 (AKM); Izhma 12G (Saiga); AK17; Krinkov (AKMSU); Tatonka (PP-Bizon)
1 barrel option
1 new handguard (unique for both primary AK and secondary AK)
1 new grip
1 new stock (unique for both primary AK and secondary AK)
Payday 2 skin support: basic texture and code
Thanks to Pawcio for letting me use his Valmet Rk.62 port.