index_md anchor links (# appearing onhover on headings in nodejs.org) are missing.

[bogas04]

These anchor links are neat way of referring to a section of a page on social networks/forums. They are missing on new.nodejs.org

Screenshot from nodejs.org:

[fabiosantoscode]

Expect a solution soon, gonna work on this.

[phillipj]

Fixed with 294af4f