Description

Release : UPNP work, and a consequent part is good for the servers and trackers.

Changes include

[ ] Bugfix (non-breaking change that solves an issue)
[x] New feature (non-breaking change that adds functionality)
[ ] Breaking change (change that is not backwards-compatible and/or changes current functionality)

[x] I have assigned this PR to myself
[x] I have added at least 1 reviewer
[x] I have added the needed labels
[x] I have linked this PR to an issue
[x] I have linked this PR to a milestone
[x] I have linked this PR to a project
[x] I have tested this code
[x] I have added / updated tests (unit / functionals / end-to-end / ...)
[x] I have updated the README and other relevant documents (guides...)
[x] I have added sufficient documentation both in code, as well as in the READMEs