Document new reverse DNS in evils.in on Eglide

Summary: Vhosts created by xray.

Test Plan:

dig devil.vs.evils.in AAAA
nslookup -type=PTR 2001:470:1f13:896::1

Repeat for all other vhosts.

Reviewers: dereckson

Reviewed By: dereckson

Differential Revision: https://devcentral.nasqueron.org/D847