html tag support markdown code example

Example 1: code blocks md

```
function test() {
  console.log("notice the blank line before this function?");
}
```

Example 2: markdown

# tier 1 header
##### tier 5 header
**bold**  or  __bold__
*italic*  or  _italic_

[link to markdown guide](https://www.markdownguide.org/basic-syntax/)

> This is a quote. Quotes are indented and a different colour.

show small bits of code with backticks: `print("hello world")` 

- [x] This is a complete item
- [ ] This is an incomplete item

you can also include html code if you want to be more specific.
For example, this would make a picture with a width of 200:
<img src="drawing.jpg" alt="drawing" width="200"/>