[client] Add unicast UPnP discovery for port forwarding.#6650

jnfrati wants to merge 3 commits into

mainnetbirdio/netbird:mainfrom

fix/fail-to-create-upnp-port-mapping-on-opnsense-firewallnetbirdio/netbird:fix/fail-to-create-upnp-port-mapping-on-opnsense-firewallCopy head branch name to clipboard