Add dreo integration

[dreo-team]

Add documentation for Dreo fan

Proposed change

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 logos 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 dreo integration fan core#117789
• Link to parent pull request in the Brands repository: Add dreo integration icons and logos brands#5487
• This PR fixes or closes issue: fixes #

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.

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[c0ffeeca7]

Thank you for contributing, @dreo-team 👍

If I see this correctly, the related core PR adds an entirely new integration, not just a new feature.

1. In the PR template above, please correct the entry.
2. In the brands repository, create a PR adding icons and logos.
3. Then, in this documentation PR, provide the link to the brands PR.

[c0ffeeca7]

I'm drafting this PR, as changes are needed. Please undraft it, once the changes have been implemented and the PR is ready for review again.