Updated Change log (markdown)

Change-log.md

@@ -10,6 +10,7 @@ This page serves as a detailed overview of all changes done since V0.5.0.
 - Fixed Favicon not working
 - Fixed Alexa discovery bug
 - Added options to specify receiving brightness/color/effect from notifications
+- Added option to save default secondary color
 - Added effect intensity setting. Only experimental use by 3 effects (blink) at the moment
 - Improved speed of Access point availability on initial setup
 - Removed need to reboot after enabling NTP time