Stage www.wolfplex.org repository

Summary:
To compose https://www.wolfplex.org, the following parts are needed:

• MediaWiki SaaS entry point for /wiki
• the wolfplex/www repository to serve static resources

This change stages the static part.

Test Plan: Deploy through Salt to /var/wwwroot/wolfplex.org/www/

Reviewers: ledesillusionniste, dereckson

Reviewed By: dereckson

Differential Revision: https://devcentral.nasqueron.org/D1460