Enhancement proposal: Improve markdown headers

[FranzMartyn]

This markdown:

**Bold**

# Header 1

## Header 2

### Header 3

#### Header 4

would generate this in Codewars:

Meanwhile GitHub's markdown generates this:

Bold

Header 1

Header 2

Header 3

Header 4

---

I don't like how there is basically no difference between all of the headers.

Note that the renderer of Codewars' fullscreen markdown editor is (in my opinion, a little bit) better:

[hobovsky]

I think that the "bad" version is only in Discourse posts? Why would discourse posts need headers? I think that in kata descriptions and kumite descriptions, the headers are rendered with more variety?

[FranzMartyn]

I mean I wanted to use Headers in a discourse here to tell reviewers what I changed from the original translation