Add Apache Superset for BI tools page.

[BruceWong96]

Code of Conduct

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

Search before asking

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

What type of changes will we make to the documentation?

Usage of New Feature

Affects Version(s)

master

Improving the documentation

Hi, I found that there is no documentation on the part of using Kyuubi in Apache Superset and I wanted to share it.

Are you willing to submit PR?

• [X] 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.