Add missing binary build for armv7

Merge pull request ccremer#63 from ccremer/registry

Switch image registry to ghcr.io

Merge pull request ccremer#55 from ccremer/renovate/docker.io-library…

…-alpine-3.x

Update docker.io/library/alpine Docker tag to v3.15

Merge pull request ccremer#44 from ccremer/fix-inverter-name

Fix inverter label in MPPT metrics

Merge pull request ccremer#38 from ccremer/battery-soc

Add battery charge metric

Merge pull request ccremer#34 from ccremer/docs

Fix godocs of Symo data properties

Merge pull request ccremer#32 from ccremer/revert-site

Revert "Add static label 'site' to all metrics"

Fix badges

Remove docker hub (badge only), primary registry is quay.io

Merge pull request ccremer#27 from ccremer/koanf

Replace viper with koanf

Merge pull request ccremer#4 from ccremer/liveness

Add liveness probe endpoint