Document vanilla JavaScript functions

[bryanjos]

I'm submitting a ...

• bug report
• feature request
• support request

Now that we have a module of vanilla JS functions to, it would be nice to generate documentation from them and show them on the site

[revelry-stalebot]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[bpernick]

@bryanjos is this still of interest? If so I'm happy to take a stab at it. I noticed the documentation around how to use initializeAllComponents seems quite good; are you looking for documentation on how to use, say, initializeSliderComponents directly?