Add image to README

README.md

@@ -9,3 +9,5 @@ by using 4 common available AA rechargeable Ni-MH batteris
  * When the RPi is on and the primary power is connected, it recharge the batteries.
  * It provide safe voltage regulator giving the ability to power the RPi from 8V to 25V. 
  * Battery drain when switched off if minimal (less than 10mA/h)
+
+![SafePI 1.0](/Safepi.jpg)
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