Add LaunchOS to the list

[xiaochunjimmy]

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Types of Changes

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• New addition to list
• Fixing bug in existing item in list
• Removing item from list
• Changing structure (organization) of list

Proposed Changes

Describe each of your changes here to communicate to the maintainers why we should accept this pull request.

1. If you're adding something to the list, be sure to explain why it should be added.
2. If you're fixing a bug or resolving a feature request, be sure to link to that issue.

PR Checklist

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• I have read the CONTRIBUTING guide
• I have explained why this PR is important
• I have added necessary documentation (if appropriate)

Further Comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...

[jaywcjlove]

@xiaochunjimmy No line break is needed here.