Move CfgServerTrader to dayz_code\configs folder

Also moved the dayz_epoch_b stringtable into a dayz_epoch package in the
dayz_code stringtable.

This makes it easier to maintain and search for code strings. Epoch_b
only holds extra models and textures now.

SQF/dayz_code/external/R3F_Realism/R3F_Weight/R3F_CfgWeight.h

@@ -1754,11 +1754,11 @@ class CfgWeight
 		{
 			weight = 5;
 		};
-		class ItemTentDomed
+		class ItemDesertTent
 		{
 			weight = 5;
 		};
-		class ItemTentDomed2
+		class ItemDomeTent
 		{
 			weight = 5;
 		};