Add rpi_gpio to the list of reloadables

[Misiu]

Breaking change

Proposed change

Backend PR: home-assistant/core#39548
I've also organized imports and filled missing properties attributes (VS Code was showing warnings for them)

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (thank you!)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Example configuration

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• There is no commented out code in this PR.
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

[Misiu]

Backend PR is merged.

[bramkragten]

#6773

[Misiu]

@bramkragten awesome! Should I close this one then?

[bramkragten]

If it works and is approved yes.