Initial commit of python-recommonmark
Summary: Starting with version 0.6.0. Required for LLVM man pages.
Test Plan: Use to render LLVM man pages
Reviewers: Triage Team, JoshStrobl
Reviewed By: Triage Team, JoshStrobl
Subscribers: JoshStrobl
Differential Revision: https://dev.getsol.us/D9682