Align nixAC to spice2x folder structure

src/spice2x/acio/bmpu/bmpu.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "../module.h"
+
+namespace acio {
+
+    class BMPUModule : public ACIOModule {
+    public:
+        BMPUModule(HMODULE module, HookMode hookMode);
+
+        virtual void attach() override;
+    };
+}