Add timer sensor entity which has rw hour and read-only minute

[LG-ThinQ-Integration]

Breaking change

Proposed change

Add timer sensor entity which has rw hour and read-only minute

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)
• 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 #
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[LG-ThinQ-Integration]

Let me give you more information about this.
We have some timer which has rw hour and readonly minute.
But because we only include readonly hour and readonly minute timer, some entities are not included.
So we'd like to fix it with this PR.