[MarkdownSection] Fixes and enhancements

[oneolddev]

Pull Request

📖 Description

Fix

• Fixes edge case where the code block is preceded with markdig generic attributes in source markdown document. Pipeline sets OutputAttributesOnPre to true.

Enhancements

• adds an options class for renderer
• addtional attributes are specified in markdig generic attributes format for addtional flexibility

Miscellaneous

• corrects minor format issue in DesignTokens.md

🎫 Issues

• Edge case not handled.

👩‍💻 Reviewer Notes

I made the default indentation to about 4 charcters. Subjectively thinks it looks better.

📑 Test Plan

✅ Checklist

General

• I have added tests for my changes.
• I have tested my changes.
• I have updated the project documentation to reflect my changes.
• I have read the CONTRIBUTING documentation and followed the standards for this project.

Component-specific

• I have added a new component
• I have added Unit Tests for my new compontent
• I have modified an existing component
• I have validate Unit Tests for an existing component

⏭ Next Steps