Add loading of iw3 fastfiles

src/ZoneLoading/ZoneLoading.cpp

@@ -4,6 +4,7 @@
 #include <fstream>
 #include <iostream>
 
+#include "Game/IW3/ZoneLoaderFactoryIW3.h"
 #include "Game/IW4/ZoneLoaderFactoryIW4.h"
 #include "Game/T6/ZoneLoaderFactoryT6.h"
 #include "Utils/ObjFileStream.h"
@@ -12,6 +13,7 @@ namespace fs = std::filesystem;
 
 IZoneLoaderFactory* ZoneLoaderFactories[]
 {
+    new IW3::ZoneLoaderFactory(),
     new IW4::ZoneLoaderFactory(),
     new T6::ZoneLoaderFactory()
 };