#38 doc: add mobile devices

[xiaweiss]

Description

@see https://github.com/liuweiGL/vite-plugin-mkcert/issues/38

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What is the purpose of this pull request?

• [ ] Bug fix
• [ ] New Feature
• [x] Documentation update
• [ ] Other

[liuweiGL]

:tada: This PR is included in version 1.10.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: