Add mirror + pkgs channel to About menu

bin/omarchy-version-mirror

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+if grep -q "https://stable-mirror.omarchy.org/" /etc/pacman.d/mirrorlist; then
+  echo "stable"
+elif grep -q "https://mirror.omarchy.org/" /etc/pacman.d/mirrorlist; then
+  echo "edge"
+else
+  echo "unknown"
+fi