doc: add naaj doc

[Oreoxmt]

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• v6.3 (TiDB 6.3 versions)
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• v5.4 (TiDB 5.4 versions)
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What is the related PR or file link(s)?

• This PR is translated from: doc: add naaj doc docs-cn#11208
• Other reference link(s):

Do your changes match any of the following descriptions?

• Delete files
• Change aliases
• Need modification after applied to another branch
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[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• shichun-0415

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[shichun-0415]

Rest LGTM

[Oreoxmt]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 2a42f67