token based login to jitsi service
We have set up now an extra jitsi dev server to test token based authentication at
JItsi worked well in anonymous mode.
Jitsi server is now set up with secure domain https://jitsi.github.io/handbook/docs/devops-guide/secure-domain , changed /etc/prosody/conf.avail/dev.fairmeeting.net.cfg.lua, /etc/prosody/conf.d
Login page: https://jitsi-oidc.dev.osalliance.com/
Related to #66, #46, https://git.fairkom.net/clients/media-ems/-/issues/6