Rename AC power helper

bin/omarchy-power-present

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# omarchy:summary=Returns true if external power is connected.
+
+for ac in /sys/class/power_supply/AC* /sys/class/power_supply/ADP*; do
+  [[ -r $ac/online && $(cat "$ac/online") == "1" ]] && exit 0
+done
+
+exit 1