Add load_asset_from_pack function

include/GameEngine.h

@@ -8,6 +8,7 @@
 #include "SDL_pixels.h"
 #include "Window.h"
 #include "aliases.h"
+#include "pak.h"
 #include "reusable_ids.h"
 #include <stdbool.h>
 
@@ -46,6 +47,8 @@ void remove_object(ObjectID *id);
 
 // ASSET MANAGEMENT API
 AssetID load_asset_from_file(const char *path, AssetType type);
+AssetID load_asset_from_pack(asset_pack_t *pack, const char *filename,
+                             AssetType type);
 void unload_asset(AssetID *id);
 
 #ifdef __ANDROID__