Automatic generation of udev rules for supported devices

+ Added build-udev-rules.sh script
+ Added new custom target in Linux section of .pro to accommodate new rules location

Controllers/LogitechController/RGBController_LogitechGPowerPlay.cpp

@@ -9,6 +9,16 @@
 
 #include "RGBController_LogitechGPowerPlay.h"
 
+/**------------------------------------------------------------------*\
+    @name Logitech Powerplay Mat
+    @type USB
+    @save :x:
+    @direct :white_check_mark:
+    @effects :white_check_mark:
+    @detectors
+    @comment
+\*-------------------------------------------------------------------*/
+
 RGBController_LogitechGPowerPlay::RGBController_LogitechGPowerPlay(LogitechGLightsyncController* controller_ptr)
 {
     controller              = controller_ptr;
@@ -132,4 +142,4 @@ void RGBController_LogitechGPowerPlay::DeviceUpdateMode()
     \*---------------------------------------------------------*/
     controller->SetDirectMode(modes[active_mode].value == 0xFF);
     DeviceUpdateLEDs();
-}
+}