Explain purposes

install/config/timezones.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 
+# Ensure timezone can be updated without needing to sudo
 sudo tee /etc/sudoers.d/omarchy-tzupdate >/dev/null <<EOF
 %wheel ALL=(root) NOPASSWD: /usr/bin/tzupdate, /usr/bin/timedatectl
 EOF