Under certain circumstances one would like to use a self signed
certificate without the obstacles many browsers implement to
safeguard their users. One approach is to create a certificate
authority. One can now add this to the OS certificate store, or simply
add it to the browser. In the latter case one also needs to specify the
new authority on the webrtcsink. This commit enables this.
Naive heuristic lifted from an earlier proof of concept,
augmented with logic from
https://datatracker.ietf.org/doc/html/draft-ietf-rmcat-gcc-02#section-5.5
A property is exposed to disable congestion control for
testing purposes, it can be extended in the future to allow
selecting a different congestion control scheme.
+ Update the documentation
