FBInfer Documentation

Review Request #11233 — Created Oct. 19, 2020 and submitted — Latest diff uploaded

Information

ReviewBot
master
aaa7894...

Reviewers

This commit includes documentation for the FBInfer tool:
https://reviews.reviewboard.org/r/11202/

Manual testing was done using make html to verify that the .rst files
are being correctly generated into .html and that all links are
working.