Add configurable loot refresh timer

Vanilla commits:

2eb963dc3f

657aaba83a

SQF/dayz_code/Configs/CfgLoot/CfgLoot.hpp

@@ -108,6 +108,7 @@ class CfgLoot
 			};
 			
 			lootChance = 0;
+			lootRefreshTimer = 900;
 			lootGroup = "";
 			lootPos[] = {};
 		};
@@ -115,4 +116,4 @@ class CfgLoot
 		// Buildings
 		#include "CfgBuildingPos.hpp"
 	};
-};
+};