Provide funny colors for funny sstatuses

dotfiles/i3/bin/i3staplus

     test -s "$ovw_path" || return 0
     ovw=$(cat "$ovw_path")
     case $ovw in
-        "")     color='' ;;
-        *)      color=',"color": "#ff0000"' ;;
+        *%onbreak)  color=',"color": "#33aa55"' ;;
+        *%mtg)      color=',"color": "#ff0000"' ;;
+        *%working)  color=',"color": "#cccccc"' ;;
+        *)          color='' ;;
     esac
     printf '{"full_text": " %s"%s},' \
         "$ovw" "$color"