Add pressEnter() inputHelper

Trenser.FoodDeliveryApp/Trenser.FoodDeliveryApp/inputHelper.cpp

@@ -9,3 +9,8 @@ void util::readString(std::string& value)
 {
 	getline(std::cin >> std::ws, value);
 }
+
+void util::pressEnter()
+{
+	system("pause");
+}

Trenser.FoodDeliveryApp/Trenser.FoodDeliveryApp/inputHelper.h

@@ -24,4 +24,5 @@ namespace util
 	}
 
 	void readString(std::string&);
+	void pressEnter();
 }