Add targets and selectors for services (X-Z)

[tkdrob]

Breaking change

Proposed change

Add targets and selectors for services (X-Z)

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• 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 #
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
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• Tests have been added to verify that the new code works.

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

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  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.
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[probot-home-assistant]

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[probot-home-assistant]

Hey there @Danielhiversen, @syssi, mind taking a look at this pull request as its been labeled with an integration (xiaomi_aqara) you are listed as a codeowner for? Thanks!
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[probot-home-assistant]

Hey there @home-assistant/core, mind taking a look at this pull request as its been labeled with an integration (zone) you are listed as a codeowner for? Thanks!
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[TheZoker]

I guess it would be good, to add units to the brightness value and also set it as slider

[frenck]

Thanks, @tkdrob 👍

Great job on getting this all done! 🎉

../Frenck 🚂