Align nixAC to spice2x folder structure

src/spice2x/launcher/signal.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include <string>
+#include <cstdint>
+
+namespace launcher::signal {
+
+    // settings
+    extern bool DISABLE;
+    extern bool USE_VEH_WORKAROUND;
+
+    void attach();
+    void init();
+}