Add Xiaomi Miio vacuum config flow

[starkillerOG]

Proposed change

Add Xiaomi Miio vacuum config flow

Type of change

• Spelling, grammar or other readability improvements (current branch).
• Adjusted missing or incorrect information in the current documentation (current branch).
• Added documentation for a new integration I'm adding to Home Assistant (next branch).
  • I've opened up a PR to add logo's and icons in Brands repository.
• Added documentation for a new feature I'm adding to Home Assistant (next branch).
• Removed stale or deprecated documentation.

Additional information

• Link to parent pull request in the codebase: Add Xiaomi Miio vacuum config flow core#46669
• Link to parent pull request in the Brands repository:
• This PR fixes or closes issue:

Checklist

• This PR uses the correct branch, based on one of the following:
  • I made a change to the existing documentation and used the current branch.
  • I made a change that is related to an upcoming version of Home Assistant and used the next branch.
• The documentation follows the Home Assistant documentation standards.

[klaasnicolaas]

You can now use {% include integrations/config_flow.md %} for the setup instructions.

[starkillerOG]

@klaasnicolaas Thanks!
What would be the text that is displayed for {% include integrations/config_flow.md %}?

[frenck]

{% include integrations/config_flow.md %} would be an option if all platforms are migrated to a configuration flow. The Xiaomi Miio integration is a bit of an odd duck in this case.

I think we can just move forward with this one, and consider merging all configuration chapters in a single one, once the migration is fully completed.