Add day-of-week into the week-based date

dotfiles/config/i3status/config

@@ -49,7 +49,7 @@ battery 1 {
 }
 
 tztime local {
-    format = "(w%V) %Y-%m-%d %H:%M"
+    format = "(w%V,d%u) %Y-%m-%d %H:%M"
 }
 
 disk "/home" {