Implement a proper wiki (just as Mozilla does)
Just an idea that I got: "Wiki" articles are available in trac, which makes it less likely to be seen https://trac.torproject.org/projects/tor/wiki/TitleIndex
Mozilla for example has its own wiki portal https://wiki.mozilla.org/Main_Page (and it uses MediaWiki which makes it much more attractive, and has the look of a wiki)
(Of course, already existing articles may be ported to that new portal)
Trac:
Username: blockflare