Merged sketchybar config into declaritive Nix Repo

home/desktop/sketchybar/plugins/clock.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+# The $NAME variable is passed from sketchybar and holds the name of
+# the item invoking this script:
+# https://felixkratz.github.io/SketchyBar/config/events#events-and-scripting
+
+sketchybar --set "$NAME" label="$(date '+%a %d %b %H:%M:%S')"