Mark a user account as being the adinistrator

src/freedombone

@@ -1230,6 +1230,12 @@ function install_not_on_BBB {
   echo 'install_not_on_BBB' >> $COMPLETION_FILE
 }
 
+function mark_admin_user_account {
+  if [ ! -f /home/$MY_USERNAME/.freedombone_administrator ]; then
+      touch /home/$MY_USERNAME/.freedombone_administrator
+  fi
+}
+
 function randomize_cron {
   # The predictable default timing of Debian cron jobs might
   # be exploitable knowledge. Avoid too much predictability
@@ -10834,6 +10840,7 @@ install_dynamicdns
 randomize_cron
 create_freedns_updater
 initial_setup
+mark_admin_user_account
 enforce_good_passwords
 install_editor
 change_login_message