Before list spacing not added

[titpetric]

When provided with a list like:

## Advanced example
In this example we will learn:
- how to get form parameters
- how to get specific key inside a JSON variable
- the structure of the request object

A newline will be added after the heading, but not before the list. I was expecting this:

## Advanced example

In this example we will learn:

- how to get form parameters
- how to get specific key inside a JSON variable
- the structure of the request object

[bwplotka]

SGTM, help wanted