message: Link to Substrate ss58 source
diff: // Copyright 2017-2020 @polkadot/networks authors & contributors
  // SPDX-License-Identifier: Apache-2.0
  +// This contains exactly the same information as available in (with some extensions)
  +// https://raw.githubusercontent.com/paritytech/substrate/master/ss58-registry.json
  +//
  +// Once the above is published as a package, the duplication here can be removed
  +
  import { Network, NetworkFromSubstrate } from './types';
  // These are known prefixes that are not sorted
  