Do you know you can well form your post using Markdown Styling

I was replying to one of the posts and then I saw this link at the side of the reply box Markdown Styling Guide Preview

And then I just tried out a simple thing, bold out some texts, and it worked.

You can click the link to learn more about it, and here is also the link below handy.

https://guides.github.com/features/mastering-markdown/