Add support for chaturbate mirror sites

[maillis]

Checklist

• I'm reporting a new site support request
• I've verified that I'm running youtube-dl version 2021.06.06
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that none of provided URLs violate any copyrights
• I've searched the bugtracker for similar site support requests including closed ones

Example URLs

• https://www.interzet.org/andy_bjorn/
• https://www.webmodels.live/damien_diamond/

Description

Where I live, chaturbate is blocked by government request, but its mirrors (interzet.org, webmodels.live and others) work fine. I suggest adding support for these sites as a way to download CB streams without having to use VPN.