[Enhancement] More markdown

[Andrew-J-Larson]

Discord now has header, bullet points, and numerated lists in markdown, need to program that into HTML to discord markdown converter.

Headers:

# H1
## H2
### H3
Then, it goes back to normal text.

Bullet points:

- one
- two
- three

Numerated list:

1. Starts with 1.
2. any numbers can be used after, and it'll correct its order
3. Must end in a number

[Andrew-J-Larson]

There's also markdown links now:

E.g.

[Text title](https://test.com)