develop (#6)

* fix grid to battery calculation in absence of solar production

* Add support for negative values in secondary info

* refactor: ♻️ new config files

* chore: 🔐 remove unused lockfile

* refactor: ♻️ shorter code

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Co-authored-by: Francois Chagnon <[email protected]>
Co-authored-by: Oliver Stock <[email protected]>
Co-authored-by: Luca Félix <[email protected]>
Co-authored-by: Luca Félix <[email protected]>