Added wacca stub code

mercuryhook/config.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include <stddef.h>
+
+#include "board/config.h"
+
+#include "hooklib/dvd.h"
+#include "hooklib/gfx.h"
+
+#include "mercuryhook/mercury-dll.h"
+
+#include "platform/config.h"
+
+struct mercury_hook_config {
+    struct platform_config platform;
+    struct aime_config aime;
+    struct dvd_config dvd;
+    struct io4_config io4;
+    struct gfx_config gfx;
+    struct mercury_dll_config dll;
+};
+
+void mercury_dll_config_load(
+        struct mercury_dll_config *cfg,
+        const wchar_t *filename);
+
+void mercury_hook_config_load(
+        struct mercury_hook_config *cfg,
+        const wchar_t *filename);