Enable color emoji on Windows

Summary: Ref T12139, installs 'Segoe UI Emoji' as a standard font call for color emoji on Windows devices.

Test Plan: Review Emoji on Win 10 Chrome / Edge, Mac Chrome / Safari.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T12139

Differential Revision: https://secure.phabricator.com/D17241