zhiqiang.yu/BigRedButton: BigRedButton on the desk

zhiqiang.yu be6b6a6bdd add all files in the folder		1 anno fa
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Linux	be6b6a6bdd add all files in the folder	1 anno fa
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Unsupported	be6b6a6bdd add all files in the folder	1 anno fa
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HidManager.cs	be6b6a6bdd add all files in the folder	1 anno fa
HidSelector.cs	be6b6a6bdd add all files in the folder	1 anno fa
Utf8Marshaler.cs	be6b6a6bdd add all files in the folder	1 anno fa