change catagory

library.properties

@@ -4,7 +4,7 @@ author=Trent M. Wyatt
 maintainer=Trent M. Wyatt <[email protected]>
 sentence=Calculate the processors Vcc voltage using only the internal registers
 paragraph=Ideal for measuring battery drain.  Calculate the processors Vcc voltage using nothing more than the micro controller itself. NO external components.
-category=Device Control
+category=Sensors
 url=https://github.com/ripred/CPUVolt
 architectures=*
 includes=CPUVolt.h