Update README.md

hardware/lite/vB3/README.md

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 Here is information about the CubeSatSim Lite vB3 hardware
 
+For more information on the CubeSatSim Lite, see the Wiki page: https://github.com/alanbjohnston/CubeSatSim/wiki/CubeSatSim-Lite
 
-cubesat-sim-lite_0.3_gerbers.zip -- All gerber files used to fabricate PCBs
+The Bill of Materials BOM is available: https://docs.google.com/spreadsheets/d/1aipwo_GPjR6v25ptgmX-ytKo2cidzvXjQHHQDvVWahU/edit?usp=sharing
+
+Here are the hardware files:
+
+ cubesat-sim-lite_0.3_gerbers.zip -- All gerber files used to fabricate PCB
 
  cubesat-sim-lite-0.3_schematic.pdf -- Schematic
 
-cubesat-sim-lite-0.3.mnb
+ cubesat-sim-lite-0.3.mnt -- Mount Top file
 
-cubesat-sim-lite-0.3.mnb
+ cubesat-sim-lite-0.3_board.png -- Image of the board