3.3.8 doc updates
Created by: keegancsmith
All documentation for 3.3.8 patch release.
DO NOT MERGE until 3.3.8 is on dockerhub.
Part of https://github.com/sourcegraph/sourcegraph/issues/3897
Created by: keegancsmith
All documentation for 3.3.8 patch release.
DO NOT MERGE until 3.3.8 is on dockerhub.
Part of https://github.com/sourcegraph/sourcegraph/issues/3897