Add WYSIWYG editor for Markdown on GitHub

[ghost]

Hi Community!

1. Feature name

Add WYSIWYG editor for Markdown on GitHub

2. Feature description

I wish GitHub had a WYSIWYG editor for Markdown

3. ui/ux

4. Notes

1. Illustrative image based on lexical editor
2. I'd like to help GitHub and the open source community
3. This can make documentation in Markdown easier
4. There is a request for this feature here - Note: I did the conceptual part of the idea - ie ui/ux

5. References

• https://en.wikipedia.org/wiki/WYSIWYG
• https://en.wikipedia.org/wiki/Markdown

[ghost]

Duplicate of: #5445

[ghost]

+ 1