Add zenburn XClock colors

dotfiles/config/Xlib/colorscheme/zenburn.Xdefaults

 xterm*color7:           #DDDDDD
 xterm*color15:          #FFFFFF
 
+XClock*foreground:      #FFC125
+XClock*background:      #000000
+XClock*update:          1
+XClock*majorColor:      #94bff3
+XClock*minorColor:      #705050
+XClock*hourColor:       #60b48a
+XClock*minuteColor:     #60b48a
+XClock*secondColor:     #dc8cc3
+
 !
 ! Hints:
 !