feature request: support exporting keymap of keyboard manager

[horserr]

Description of the new feature / enhancement

Support exporting and importing keymap.

Scenario when this would be used?

After reinstalling the operating system, it is necessary to first set up the workflow.

Supporting information

No response

[similar-issues-ai]

We've found some similar issues:

• Keyboard manager layout export and import #22961 , similarity score: 84%

If any of the above are duplicates, please consider closing this issue out and adding additional context in the original issue.

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