Throw on LED control enable fail

Added devices indices for MM830, CK530 and MK850

RGB.NET.Devices.CoolerMaster/CoolerMasterDeviceProvider.cs

@@ -132,7 +132,8 @@ namespace RGB.NET.Devices.CoolerMaster
                                         continue;
                             }
 
-                            _CoolerMasterSDK.EnableLedControl(true, index);
+                            if (!_CoolerMasterSDK.EnableLedControl(true, index))
+                                throw new RGBDeviceException("Failed to enable LED control for device " + index);
 
                             device.Initialize(UpdateTrigger);
                             devices.Add(device);

RGB.NET.Devices.CoolerMaster/Enum/CoolerMasterDevicesIndexes.cs

@@ -69,6 +69,18 @@ namespace RGB.NET.Devices.CoolerMaster
         [DeviceType(RGBDeviceType.Keyboard)]
         CK551 = 13,
 
+        [Description("MM830")]
+        [DeviceType(RGBDeviceType.Mouse)]
+        MM830 = 14,
+
+        [Description("CK530")]
+        [DeviceType(RGBDeviceType.Keyboard)]
+        CK530 = 15,
+
+        [Description("MK850")]
+        [DeviceType(RGBDeviceType.Keyboard)]
+        MK850 = 16,
+
         [DeviceType(RGBDeviceType.None)]
         Default = 0xFFFF
     }