Server:
provide a certificate file and key file via the settings. When provided it will then listen on TCP and QUIC, if not provided it will be TCP only.
The certificate must be known by the client, so you might get problems with self-signed certificates.
```ron
quic_files: Some((
cert: "/home/user/veloren_cert.pem",
key: "/home/user/veloren_key.key",
)),
```
Client:
activate the voxygen settin `use_quic: true` to try to connect to the quic backend of a server.
