Import man page from Debian package

Summary:
The Debian package for woof included a man page.

Man page author: Andrea Colangelo <warp10@ubuntu.com>

Source: https://github.com/simon-budig/woof/pull/21

Ref T2059.

Test Plan: man ./doc/woof.1

Reviewers: dereckson

Reviewed By: dereckson

Maniphest Tasks: T2059

Differential Revision: https://devcentral.nasqueron.org/D3537