This repository contains just one add-on, an unofficial apcupsd add-on.
Add this repository to your Hass.io instance:
https://github.com/korylprince/hassio-apcupsd
If you have trouble you can follow the official docs.
Then install the "APC UPS Daemon" add-on.
See the apcupsd add-on itself for information on configuring it.
If you have an issue with this plugin, please file an issue.