Add ability for maintainers and users to get historical data

[ericholscher]

It would be awesome if we could track what users do (anonymously) and then display that to all users of a set of documentation.

• Track when people click a ¶ (onhashchange), to presumably link it to someone. This is an implied "vote" for that content as being useful/interesting

window.onhashchange = function(ev) {console.log(document.getElementById((window.location.hash || '').slice(1))) }

• Track what search ends a user up on a page
• Track other interesting tidbits that implicitly show that content is interesting

[ericholscher]

This is out at a basic level, closing this now.