* Add central config into ConfigFlow
* Test manual of confif_flow ok
* Ignore central confic in instanciate entities
* Init data in base_thermostat ok
* With central configuration testu ok
* All testu ok
* With fixture for init_vtherm_api and init_central_config
* Add reload VTherms when central configuration is changed
* Update strings.json and replace security by safety in README.
* UPdate README with release 5.0
* FIX missing Presets central configuration initialisation
* FIX frost_away_temp translation missing
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Co-authored-by: Jean-Marc Collin <jean-marc.collin-extern@renault.com>