Determine sensor availability at runtime

attempts to fix #46

introduce Glowdata for generic access from sensors

heavily inspired by p1monitor and roombapy's design patterns

Check hex length before dec conversion

search for the Glow Display deviceTypeId

use MQTT wildcard for topic

thanks https://forum.glowmarkt.com/index.php?p=/profile/Dougie !

address mypy errors

Use classifiers instead of resource type IDs (#23)

Co-authored-by: Harley Watson <htw@lobi.to>

Refresh access token during sensor startup (#8)

* Refresh access token during sensor startup

* chore: address linting errors

* Copy HomeAssistant config before rewriting it

* Handle changed passwords and signal broken sensors

initial commit