Add basic parsing for menu lists with only loadMenus instructions

src/ObjLoading/Parsing/Menu/Domain/CommonFunctionDef.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <string>
+
+class CommonFunctionDef
+{
+public:
+    std::string m_name;
+};

src/ObjLoading/Parsing/Menu/Domain/CommonItemDef.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <string>
+
+class CommonItemDef
+{
+public:
+    std::string m_name;
+};

src/ObjLoading/Parsing/Menu/Domain/CommonMenuDef.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "CommonItemDef.h"
+
+class CommonMenuDef
+{
+public:
+    std::string m_name;
+    std::vector<std::unique_ptr<CommonItemDef>> m_items;
+};

src/ObjLoading/Parsing/Menu/Domain/MenuFeatureLevel.h

@@ -0,0 +1,7 @@
+#pragma once
+
+enum class MenuFeatureLevel
+{
+    IW4,
+    IW5
+};