Adding user within template

src/freedombone-template

 if [ $app_daemon ]; then
     echo ''
     if [[ ! "$app_dir" ]]; then
-        echo "    useradd -d \"TODO_PATH_TO_INSTALL\" -s /bin/false ${app_name}"
+        echo "    adduser --system --home=\"TODO_PATH_TO_INSTALL\" --group ${app_name}"
     else
-        echo "    useradd -d \"${app_dir}\" -s /bin/false ${app_name}"
+        echo "    adduser --system --home=\"${app_dir}\" --group ${app_name}"
     fi
     echo ''
     echo "    { echo '[Unit]';"