Adding 13 new items and a DZE version of the vss vintorez (#1890)

* strings for new items

* adding new documents.hpp

* adding new documents

* adding vss vintorez dze

vss vintorez dze spawns with 20 rounds magazine like in epoch 1.0.5.1

* adding vss vintorez dze

* Update stringtable.xml

SQF/dayz_code/Configs/CfgWeapons/Weapon/Sniper/VSSVintorez.hpp

@@ -0,0 +1,5 @@
+class VSS_vintorez;
+class VSS_vintorez_DZE: VSS_vintorez
+{
+	magazines[] = {"20Rnd_9x39_SP5_VSS", "10Rnd_9x39_SP5_VSS"};
+};