add half-working CXB support

cxbhook/revio.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <windows.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+struct revio_config {
+    bool enable;
+    uint8_t test;
+    uint8_t service;
+    uint8_t coin;
+    uint8_t up;
+    uint8_t down;
+    uint8_t cancel;
+};
+
+HRESULT revio_hook_init(struct revio_config *cfg);