[Subtask] Access Kyuubi using MySQL client documentation

[pan3793]

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• I agree to follow this project's Code of Conduct

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• I have searched in the issues and found no similar issues.

Describe the subtask

Kyuubi supports MySQL protocol since #1219, it allows user uses mysql command and MySQL JDBC connector to connect Kyuubi.

Parent issue

#3039

Are you willing to submit PR?

• Yes. I can submit a PR independently to improve.
• Yes. I would be willing to submit a PR with guidance from the Kyuubi community to improve.
• No. I cannot submit a PR at this time.