message: docs: add RPC warning in config file
diff: @@ -80,6 +80,10 @@ discovery_local_address = false # {{
  bootnode_mode = false
  [rpc]
  +# By default RPC only binds to localhost, thus it only allows accessing from the same machine.
  +#
  +# Allowing arbitrary machines to access the JSON-RPC port is dangerous and strongly discouraged.
  +# Please strictly limit the access to only trusted machines.
  listen_address = "127.0.0.1:8114" # {{
  # _ => listen_address = "127.0.0.1:{rpc_port}"
  # }}
  