[Quest API] Add EVENT_READ_ITEM to Perl/Lua (#4497)

* [Quest API] Add EVENT_READ_ITEM to Perl/Lua

* Add item_id export

* Add item export.

* Update client.cpp

common/shareddb.h

@@ -41,8 +41,7 @@ struct NPCFactionList;
 struct FactionAssociations;
 
 
-namespace EQ
-{
+namespace EQ {
 
 	struct ItemData;
 	class ItemInstance;
@@ -50,6 +49,12 @@ namespace EQ
 	class MemoryMappedFile;
 }
 
+struct Book_Struct
+{
+	uint8       language;
+	std::string text;
+};
+
 /*
     This object is inherited by world and zone's DB object,
     and is mainly here to facilitate shared memory, and other
@@ -114,7 +119,7 @@ public:
 		int admin
 	);
 
-	std::string GetBook(const char *txtfile, int16 *language);
+	Book_Struct GetBook(const std::string& text_file);
 
 	/**
 	 * items