Add device registration to the Nuki component

[pree]

Proposed change

Introduces device registrations for the Nuki entities, including the bridge.

Type of change

• [ ] Dependency upgrade
• [ ] Bugfix (non-breaking change which fixes an issue)
• [ ] New integration (thank you!)
• [x] New feature (which adds functionality to an existing integration)
• [ ] Deprecation (breaking change to happen in the future)
• [ ] Breaking change (fix/feature causing existing functionality to break)
• [ ] Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes https://github.com/home-assistant/home-assistant.io/issues/24068

Checklist

• [x] The code change is tested and works locally.
• [x] Local tests pass. Your PR cannot be merged unless tests pass
• [x] There is no commented out code in this PR.
• [x] I have followed the development checklist
• [x] The code has been formatted using Black (black --fast homeassistant tests)
• [ ] 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

If the code communicates with devices, web services, or third-party tools:

• [x] The manifest file has all fields filled out correctly.
  Updated and included derived files by running: python3 -m script.hassfest.
• [ ] New or updated dependencies have been added to requirements_all.txt.
  Updated by running python3 -m script.gen_requirements_all.
• [ ] For the updated dependencies - a link to the changelog, or at minimum a diff between library versions is added to the PR description.
• [ ] Untested files have been added to .coveragerc.

The integration reached or maintains the following Integration Quality Scale:

• [ ] No score or internal
• [ ] 🥈 Silver
• [ ] 🥇 Gold
• [ ] 🏆 Platinum

To help with the load of incoming pull requests:

• [x] I have reviewed two other open pull requests in this repository.

[homeassistant]

Hey there @pschmitt, @pvizeli, mind taking a look at this pull request as it has been labeled with an integration (nuki) you are listed as a code owner for? Thanks!

[pree]

Anything missing for this PR to be reviewed?

[Nardol]

Also the fact this PR is not being reviewed prevents the Nuki integration to have new entity naming style (#80021 )

[pvizeli]

@pree can you rebase it, so I can merge it?

[pree]

@pvizeli rebased