Release 0.4.0 - Auxheat and more

New sensors:

• Aux Heat Status (Thanks: @danielrheinbay)
• oilLevel

New switch:

• AuxHeat

New Lock

• Lock (with Pin support if the pin is not stored in the integration options, restart required if you remove or add a pin the integration options)

New Services

• Auxheat_start
• Auxheat_stop

Changes:

• Refactored the component setup, most platforms have an icon now
• Capabilities check for Services, Switches and Lock - Checking the capabilities of the car now
• version tag added to manifest.yaml (see: https://developers.home-assistant.io/blog/2021/01/29/custom-integration-changes)
• added hassfest codechecks (see: https://developers.home-assistant.io/blog/2020/04/16/hassfest/)
• rework integration unload

Breaking changes:

• Hopefully none :-)