listfull: list relay clients (verbose, all relays)
listrelay: list relays (name and port)
add: add relay for a protocol + name
del: remove relay for a protocol + name
ipv4: force use of IPv4
ipv6: force use of IPv6
ssl: enable SSL
protocol.name: protocol and name to relay:
- protocol "irc": name is the server to share (optional, if not given, the server name must be sent by client in command "PASS", with format: "PASS server:password")
- protocol "weechat" (name is not used)
port: port used for relay
raw: open buffer with raw Relay data
sslcertkey: set SSL certificate/key using path in option relay.network.ssl_cert_key