In https://docs.opnsense.org/manual/how-tos/wireguard-client-mullvad.html#Under Step 1 there is a paragraph:"On Peers tab create a new Peer, give it a Name, set 0.0.0.0/0 in Allowed IPs and set the DNS to 193.138.218.74. This is the one MulladVPN provides for privacy."However in Peers in Opnsense there is not place to set DNS address...