Split out detection system from ResourceManager into DetectionManager

* Split detection system out into its own class, DetectionManager
    * Clean up ResourceManger's many callbacks into just two, one for detection and one general purpose

Controllers/OKSController/OKSKeyboardControllerDetect.cpp

@@ -10,7 +10,7 @@
 \*---------------------------------------------------------*/
 
 #include <hidapi.h>
-#include "Detector.h"
+#include "DetectionManager.h"
 #include "OKSKeyboardController.h"
 #include "RGBController_OKSKeyboard.h"
 
@@ -30,7 +30,7 @@ void DetectOKSKeyboardControllers(hid_device_info* info, const std::string& name
         OKSKeyboardController*     controller     = new OKSKeyboardController(dev, info->path, info->product_id, name);
         RGBController_OKSKeyboard* rgb_controller = new RGBController_OKSKeyboard(controller);
 
-        ResourceManager::get()->RegisterRGBController(rgb_controller);
+        DetectionManager::get()->RegisterRGBController(rgb_controller);
     }
 }   /* DetectOKSKeyboardControllers() */