message: doc: update contrib/seeds/README dnspython installation info
diff: @@ -16,6 +16,12 @@ The seeds compiled into the release are created from sipa's DNS seed data, like
  ## Dependencies
  -Ubuntu:
  +Ubuntu, Debian:
  sudo apt-get install python3-dnspython
  +
  +and/or for other operating systems:
  +
  + pip install dnspython
  +
  +See https://dnspython.readthedocs.io/en/latest/installation.html for more information.
  