Add changed the main.cpp and the Merkel.cpp to finilize integration

CM2005 Object Oriented Programming/Topic 3/3.4.11/OrderBookEntry.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <string>
+
+enum class OrderBookType{bid, ask, unknown};
+
+class OrderBookEntry
+{
+    public:
+
+        OrderBookEntry( double _price, 
+                        double _amount, 
+                        std::string _timestamp, 
+                        std::string _product, 
+                        OrderBookType _orderType);
+        double price;
+        double amount;
+        std::string timestamp;
+        std::string product;
+        OrderBookType orderType;
+        static OrderBookType stringToOrderBookType(std::string s);
+};