feat: Markdown support for dataset guidelines

[leiyre]

Description

This PR shows dataset settings guidelines previewed as markdown

Closes #3013

Type of change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested

(Please describe the tests that you ran to verify your changes. And ideally, reference tests)

• Test A
• Test B

Checklist

• I have merged the original branch into my forked branch
• I added relevant documentation
• follows the style guidelines of this project
• I did a self-review of my code
• I made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• I have added relevant notes to the CHANGELOG.md file (See https://keepachangelog.com/)