Well it was worth a try. Just kidding. I didn't expect you to write an addon just for me. Would be nice but I didn't expect that. However, I suspect that there are other people who would like something similar.
I am just trying to follow the advice to security experts and not run more code than I need to do the job. I would appreciate your pointing out the modules from your addon that are necessary to obtain the minimum function that I require. I am using the systemd method suggested by LibreELEC, but this is an opportunity for me to learn something new. If you could point me in the right direction, I will try to expand my horizons.