Add documentation for multilingual README support and complete hacs.json keys#660

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rosch100 wants to merge 6 commits intohacs:mainfrom

rosch100:docs/multilingual-readme-support

Commits on Dec 2, 2025

Add documentation for multilingual README support and complete hacs.json keys
rosch100
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Fix grammar: complete sentence in country field description
rosch100
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Rename supported_languages to readme_languages and remove validation note
rosch100
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Remove render_readme and revert country to string per review feedback
rosch100
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Add PR description: Multilingual README and description documentation
rosch100
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docs: Remove multilingual description documentation
rosch100
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