HACS (Home Assistant Community Store) integration

[Dramloc]

This HA integration is not easy to install/update. We could use HACS (Home Assistant Community Store) to simplify installation.

TODO:

• [ ] Make repository compatible with HACS
• [ ] Add link to HACS installation
• [ ] Provide installation instructions within HACS
• [ ] Provide manual installation instructions for people not using HACS