Ability to control line spacing

[jritsema]

Is your feature request related to a problem? Please describe.
When numbered lists are rendered (1., 2., etc.), I have a hard time reading them.

Describe the solution you'd like
I would like the ability to control line spacing.

Describe alternatives you've considered

Additional context
For example, instead of

1. number one
2. number two
3. number three

i would like glow to render

1. number one

2. number two

3. number three