Update CHANGELOG

CHANGELOG

 # First_Desgin # 
 
--Started the Desgin  
--Added MCU, Sensor, Regulators, TP, USB-Pins 
+-Started the Desgin : Alexander and Roger
+-Added MCU, Sensor, Regulators, TP, USB-Pins: Alexander and Roger 
 
 # V_0.1 #
 
--Added Switches and Footprints
-- Still need to correct footprint for some
+-Added Switches and Footprints : Alexander
+-Addded Changelog and TODO list : Roger
+
+-Still need to correct footprint for some