[Feature] Implement OP_CashReward (#2307)

* Implement OP_CashReward

Tit opcode needs verifying still, I think it's correct.

Added Perl and lua client CashReward functions

* Forgot AddMoneyToPP call somehow

* Switch QuestManager::givecash to CashReward packet

* Fix extra comma

common/emu_oplist.h

@@ -71,6 +71,7 @@ N(OP_Camp),
 N(OP_CancelSneakHide),
 N(OP_CancelTask),
 N(OP_CancelTrade),
+N(OP_CashReward),
 N(OP_CastSpell),
 N(OP_ChangeSize),
 N(OP_ChannelMessage),

common/eq_packet_structs.h

@@ -2192,6 +2192,14 @@ struct QuestReward_Struct
 	/*068*/
 };
 
+struct CashReward_Struct
+{
+	/*000*/ uint32 copper;
+	/*004*/ uint32 silver;
+	/*008*/ uint32 gold;
+	/*012*/ uint32 platinum;
+};
+
 // Size: 8
 struct Camera_Struct
 {