The container IP is not routable from the host when Docker runs in a VM
(colima, Docker Desktop), so calls against the dev stack drop once ICE
fails. Advertising 127.0.0.1 instead lets the browser reach the SFU through
the published ports. Firefox ignores loopback candidates, so this only
works in Chromium-based browsers.
* remove redis, since we dont use it
* update localhost TLS certificat to add *.othersite.m.localhost wildcard
* allow for federation
* Add services and config files for Matrix site othersite.m.localhost
* add element web instance app.othersite.m.localhost
* update README
* exclude synapse database for othersite.m.localhost
* linting
Johannes Marbach