Move RGBController files for device controllers into the Controllers directory

Controllers/RGBFusionGPUController/RGBController_RGBFusionGPU.h

@@ -0,0 +1,33 @@
+/*-----------------------------------------*\
+|  RGBController_RGBFusionGPU.h             |
+|                                           |
+|  Generic RGB Interface for OpenRGB        |
+|  Gigabyte RGB Fusion GPU Driver           |
+|                                           |
+|  Adam Honse (CalcProgrammer1) 2/23/2020   |
+\*-----------------------------------------*/
+
+#pragma once
+
+#include "RGBController.h"
+#include "RGBFusionGPUController.h"
+
+class RGBController_RGBFusionGPU : public RGBController
+{
+public:
+    RGBController_RGBFusionGPU(RGBFusionGPUController* rgb_fusion_ptr);
+
+    void        SetupZones();
+
+    void        ResizeZone(int zone, int new_size);
+
+    void        DeviceUpdateLEDs();
+    void        UpdateZoneLEDs(int zone);
+    void        UpdateSingleLED(int led);
+
+    void        SetCustomMode();
+    void        DeviceUpdateMode();
+
+private:
+    RGBFusionGPUController* rgb_fusion;
+};