Summary: Some day we might have a fancy daemon for this, but for now at least
provide some instructions on using the existing importers, etc., to index
project symbols.
Test Plan:
- Generated documentation, read over the result.
- Ran the example code.
Reviewers: btrahan, jungejason, davidreuss
Reviewed By: jungejason
CC: aran, jungejason
Maniphest Tasks: T315
Differential Revision: https://secure.phabricator.com/D1262
