Update backup

scripts/backup

@@ -27,6 +27,8 @@ ynh_backup "$data_dir"
 
 ynh_backup "/etc/nginx/conf.d/$domain.d/$app.conf"
 
+ynh_backup "/etc/systemd/system/$app.service"
+
 ynh_backup "/etc/logrotate.d/$app"
 
 #ynh_backup "/etc/fail2ban/jail.d/$app.conf"