Added Razer BlackWidow V4 Pro 75% (#423)

Author: DarthAffe

RGB.NET.Devices.Razer/RazerDeviceProvider.cs

@@ -154,6 +154,7 @@ public static RazerDeviceProvider Instance
         { 0x02A7, RGBDeviceType.Keyboard, "Huntsman V3 Pro TKL", LedMappings.Keyboard, RazerEndpointType.Keyboard },
         { 0x0A24, RGBDeviceType.Keyboard, "BlackWidow V3 TKL", LedMappings.Keyboard, RazerEndpointType.Keyboard },
         { 0x02BA, RGBDeviceType.Keyboard, "BlackWidow V4 Mini HyperSpeed", LedMappings.Keyboard, RazerEndpointType.Keyboard },
+        { 0x02B4, RGBDeviceType.Keyboard, "BlackWidow V4 Pro 75%", LedMappings.Keyboard, RazerEndpointType.Keyboard },
 
         // Mice
         { 0x0013, RGBDeviceType.Mouse, "Orochi 2011", LedMappings.Mouse, RazerEndpointType.Mouse },